Massive update for all boards

boards/crkbd/README.md

@@ -6,7 +6,8 @@
 
 A split keyboard with a 3x6 collumnar stagger and 3 thumb keys.
 
-Keyboard Maintainer: [foostan](https://github.com/foostan/) [@foostan](https://twitter.com/foostan)  
+kb.py is designed to work with the nice!nano
+
 Hardware Availability: [PCB & Case Source](https://github.com/foostan/crkbd)  
 
 Retailers (USA)  
@@ -22,5 +23,5 @@ Extentions enabled by default
 - [BLE_Split](https://github.com/KMKfw/kmk_firmware/tree/master/docs/split.md) Connects halves without wires
 
 Common Extentions
-- [Split](https://github.com/KMKfw/kmk_firmware/tree/master/docs/split.md) if using a wire to connect the halves
+- [Split](https://github.com/KMKfw/kmk_firmware/tree/master/docs/split.md) Connects halves using a wire
 - [Power](https://github.com/KMKfw/kmk_firmware/tree/master/docs/power.md) Powersaving features for battery life