requested changes

boards/crkbd/README.md

@@ -17,10 +17,10 @@ Corne LP
 [Boardsource](https://boardsource.xyz/store/5f2efc462902de7151495057)  
 
 Extentions enabled by default  
-- Layers
-- RGB
-- BLE_Split
+- [Layers](https://github.com/KMKfw/kmk_firmware/tree/master/docs/layers.md) Need more keys than switches? Use layers.
+- [RGB](https://github.com/KMKfw/kmk_firmware/tree/master/docs/rgb.md) Light it up
+- [BLE_Split](https://github.com/KMKfw/kmk_firmware/tree/master/docs/split.md) Connects halves without wires
 
-Recommended Extentions
-- Split
-- Power
+Common Extentions
+- [Split](https://github.com/KMKfw/kmk_firmware/tree/master/docs/split.md) if using a wire to connect the halves
+- [Power](https://github.com/KMKfw/kmk_firmware/tree/master/docs/power.md) Powersaving features for battery life

boards/crkbd/kb.py

@@ -1,6 +1,5 @@
 import board
 
-from kmk.extensions.layers import Layers
 from kmk.kmk_keyboard import KMKKeyboard as _KMKKeyboard
 from kmk.matrix import DiodeOrientation
 from kmk.matrix import intify_coordinate as ic
@@ -32,6 +31,3 @@ class KMKKeyboard(_KMKKeyboard):
 
     # And now, to handle R3, which at this point is down to just six keys
     coord_mapping.extend(ic(3, x) for x in range(3, 9))
-
-    layers_ext = Layers()
-    extensions = [layers_ext]

boards/crkbd/main.py

@@ -1,5 +1,6 @@
 from kb import KMKKeyboard, rgb_pixel_pin
 from kmk.extensions.ble_split import BLE_Split
+from kmk.extensions.layers import Layers
 from kmk.extensions.rgb import RGB
 from kmk.keys import KC
 
@@ -22,15 +23,17 @@ RGB_VAI = KC.RGB_VAI
 RGB_VAD = KC.RGB_VAD
 
 # Adding extentions
-rgb_ext = RGB(pixel_pin=rgb_pixel_pin, num_pixels=27, val_limit=100, hue_default=190, sat_default=100, val_default=5)
+rgb = RGB(pixel_pin=rgb_pixel_pin, num_pixels=27, val_limit=100, hue_default=190, sat_default=100, val_default=5)
 
 # TODO Comment one of these on each side
-split_side = 'Left'
-split_side = 'Right'
+# Left is 0, Right is 1
+split_side = 0
+split_side = 1
 split = BLE_Split(split_side=split_side)
 
-keyboard.extensions.append(split, rgb_ext)
+layers_ext = Layers()
 
+extensions = [layers_ext, split, rgb]
 
 keyboard.keymap = [
     [  #QWERTY