Keyboard: Add Catch 22 Hotswap Macropad to QMK (#3576)

* Initial Commit of catch22 macropad by rockydbull

* Add configurator info.json

* Use macros

* Use pragma once

* Use CA22 as product id

* Clean up readme

* Use the layer define value

* Feedback from @drashna

keyboards/catch22/README.md

@@ -0,0 +1,17 @@
+# Catch 22 Budget Hotswap Macropad
+
+GB by /u/rockydbull run in July 2018, PCB designed with help from /u/Kilgarah.
+
+Designed to be a budget project board to enjoy hotswapping/switch testing/macro making fun. The board is controlled by a pro micro clone made famous by other projects like the lets split, iris, and nyquist and allows for full QMK implementation. Each Catch22 kit will contain:
+
+ * 2 pcbs (one to solder to and one to be a base)(green color)
+ * 1 pcb material switch plate( green color) with cut out for pcb mount cherry stabilizers
+ * 40 throughhole diodes (22 for the pcb and the remaining as extras in case you lose one and to use to make the pro micro removeable without desoldering)
+ * 22 Kailh hotswap sockets
+ * 1 smd reset button
+ * 1 dip socket to mount between the pcb and pro micro if you choose to make it removeable without desoldering
+ * 5 (12mm) m2 standoffs
+ * 10 m2 screws
+ * Genuine Cherry pcb mount 2u stabilizer
+ * 4 rubber bumpons
+ * Pro Micro is included in kit