Creates a layouts/ folder for keymaps shared between keyboards (#1609)

* include variables and .h files as pp directives

* start layout compilation

* split ergodoxes up

* don't compile all layouts for everything

* might seg fault

* reset layouts variable

* actually reset layouts

* include rules.mk instead

* remove includes from rules.mk

* update variable setting

* load visualizer from path

* adds some more examples

* adds more layouts

* more boards added

* more boards added

* adds documentation for layouts

* use lowercase names for LAYOUT_

* add layout.json files for each layout

* add community folder, default keymaps for layouts

* touch-up default layouts

* touch-up layouts, some keyboard rules.mk

* update documentation for layouts

* fix up serial/i2c switches

1 files changed, 128 insertions, 0 deletions

diff --git a/layouts/community/ergodox/333fred/README.md b/layouts/community/ergodox/333fred/README.md
new file mode 100644
index 000000000..f7b4ca42f
--- /dev/null
+++ b/layouts/community/ergodox/333fred/README.md
@@ -0,0 +1,128 @@
+## Layout
+
+### Keymap 0: Basic layer
+```
+,--------------------------------------------------.           ,--------------------------------------------------.
+|   `    |   1  |   2  |   3  |   4  |   5  |  =   |           |  L1  |   6  |   7  |   8  |   9  |   0  |   -    |
+|--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+| TAB    |   Q  |   W  |   E  |   R  |   T  |  L2  |           |  L2  |   Y  |   U  |   I  |   O  |   P  |   \    |
+|--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+| Esc    |   A  |   S  |   D  |LT 3,F|   G  |------|           |------|   H  |   J  |   K  |   L  |; / : |   '    |
+|--------+------+------+------+------+------|  L1  |           |TT(3) |------+------+------+------+------+--------|
+| LShift |Z/Ctrl|   X  |   C  |   V  |   B  |      |           |      |   N  |   M  |   ,  |   .  |//Ctrl| RShift |
+`--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+  |LCTRL |  F4  |  F5  | LGUI | LALT |                                       | Left | Down |  Up  | Right| RGUI |
+  `----------------------------------'                                       `----------------------------------'
+                                       ,-------------.       ,-------------.
+                                       | Copy | Paste|       | Alt  |Ctrl/Esc|
+                                ,------|------|------|       |------+--------+------.
+                                |      |      | PgUp |       | PgDn |        |      |
+                                | Bcksp|OSL(2)|------|       |------|  Ent   |Space |
+                                |      |      | Del  |       |OSL(2)|        |      |
+                                `--------------------'       `----------------------'
+```
+* Double-click `;` to get a `:`
+* Press-and-hold `f` to go to the movement layer
+
+### Keymap 1: Code Layer
+```
+,--------------------------------------------------.           ,--------------------------------------------------.
+|        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
+|--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+|        |      |      |      |      |      |  F10 |           |  F11 |      |      |      |      |      |        |
+|--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+|        |      |      |      |      |      |------|           |------|      |      |      |      |      |        |
+|--------+------+------+------+------+------|  L2  |           |      |------+------+------+------+------+--------|
+|        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
+`--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+  |      |      |      |      |      |                                       | F12  |GoToIm| FAR  |      |      |
+  `----------------------------------'                                       `----------------------------------'
+                                       ,-------------.       ,---------------.
+                                       |Format|Build |       | Test | DTest  |
+                                ,------|------|------|       |------+--------+------.
+                                |      |      |Refact|       |Sort U|        |      |
+                                |      |      |------|       |------|        |      |
+                                |      |      |      |       |      |        |      |
+                                `--------------------'       `----------------------'
+```
+* Build  - Visualt Studio Build Solution. Sends `CTRL + SHFT + B`
+* DTest  - Visual Studio Debug Test. Sends `CTRL + R, CTRL + T`
+* FAR    - Visual Studio Find All References. Sends `CTRL + K, R`
+* Format - Visual Studio Format. Sends `CTRL + K, CTRL + D`
+* GoToIm - Visual Studio Go To Implementation. Sends `CTRL + F12`
+* Refact - Visual Studio Refactor. Sends `CTRL + R, R`
+* Sort U - Visual Studio Sort Usings. Sends `CTRL + R, CTRL + G`
+* Test   - Visual Studio Run Test. Sends `CTRL + R, T`
+
+
+### Keymap 2: Symbol Layer
+```
+,---------------------------------------------------.           ,--------------------------------------------------.
+|Version  |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
+|---------+------+------+------+------+------+------|           |------+------+------+------+------+------+--------|
+|         |   !  |   @  |   (  |   )  |   |  |      |           |      |   Up |   7  |   8  |   9  |   *  |   F12  |
+|---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+|         |   #  |   $  |   {  |   }  |   `  |------|           |------| Down |   4  |   5  |   6  |   +  |        |
+|---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+|         |   %  |   ^  |   [  |   ]  |   ~  |      |           |      |   &  |   1  |   2  |   3  |   \  |        |
+`---------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+  | EPRM  |      |      |      |      |                                       |   0  |   0  |   .  |   =  |      |
+  `-----------------------------------'                                       `----------------------------------'
+                                       ,-------------.       ,-------------.
+                                       |      | Caps |       |      |      |
+                                ,------|------|------|       |------+------+------.
+                                |      |      |APscr |       |      |      |      |
+                                |      |      |------|       |------|      |      |
+                                |      |      | PScr |       |      |      |      |
+                                `--------------------'       `--------------------'
+```
+* APscr - Take a printscreen of the current app. Sends `Alt + Print Screen`
+
+### Keymap 3: Media and Mouse Keys
+```
+,--------------------------------------------------.           ,--------------------------------------------------.
+|        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
+|--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+|        |      |      | MsUp |      |      |      |           |      |      |      |      |      |      |        |
+|--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+|        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |      |      |      |      |        |
+|--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+|        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
+`--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+  |      |      |      | Lclk | Rclk |                                       |      |      |      |      |      |
+  `----------------------------------'                                       `----------------------------------'
+                                       ,-------------.       ,-------------.
+                                       | Back+| Back-|       | Vol+ |      |
+                                ,------|------|------|       |------+------+------.
+                                |      |      |BL_TOG|       | Vol- |      |      |
+                                |      |      |------|       |------| PL/PS| Next |
+                                |      |      |      |       | Back |      |      |
+                                `--------------------'       `--------------------'
+```
+
+### Keymap 4: Movement
+```
+,--------------------------------------------------.           ,--------------------------------------------------.
+|        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
+|--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+|        |KOpen |KType |      |      |      |      |           |      | Copy |      |      |      | Paste|        |
+|--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+|        |DLeft |DRight| LCTL |      |      |------|           |------| Left | Down |  Up  | Right|      |        |
+|--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+|        |SFT_TB| Tab  |      |      |      |      |           |      |      |      |      |      |      |        |
+`--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+  |      |      |      |      |      |                                       |      |      |      |      |      |
+  `----------------------------------'                                       `----------------------------------'
+                                       ,-------------.       ,-------------.
+                                       |      |      |       | Home | End  |
+                                ,------|------|------|       |------+------+------.
+                                |      |      |      |       |      |      |      |
+                                |      | LSFT |------|       |------|      |      |
+                                |      |      |      |       |      |      |      |
+                                `--------------------'       `--------------------'
+```
+* DLeft  - Move to the left Desktop. Sends `Ctrl + Win + Left Arrow`
+* DRight - Move to the right Desktop. Sends `Ctrl + Win + Right Arrow`
+* KOpen  - Opens KeePass. Sends `Ctrl + Alt + k`
+* KType  - Autotypes KeePass password. Sends `Ctrl + Alt + a`
+* SFT_TB - Sends `CTRL + TAB`.