Moving cannonkeys boards to one place, eeprom fix (#4999)

* Move boards to cannonkeys and share resources

* Share common files between cannonkey boards

* Fix ortho60 keymap

* update LED numbers

* Add RGB keys to Ortho60 and Ortho48

* Add Backlight control to default layout Ortho60 and 48

* Remove unnecessary ws2812.c SRC from rules.mk

keyboards/cannonkeys/bluepill/led_custom.h

@@ -0,0 +1,6 @@
+#pragma once
+
+void backlight_task(void);
+void breathing_interrupt_disable(void);
+void breathing_interrupt_enable(void);
+bool is_breathing(void);