[Keyboard] Add Quefrency Rev 2 (#8001)

* Add Quefrency Rev. 2

* Add encoder support

* Add RGB LED mapping info

* Add diode direction

* Revert removal of default folder for CI purposes

* Remove unneeded lines

* Rename ISO layout macros

keyboards/keebio/quefrency/quefrency.h

@@ -5,6 +5,9 @@
 #ifdef KEYBOARD_keebio_quefrency_rev1
     #include "rev1.h"
 #endif
+#ifdef KEYBOARD_keebio_quefrency_rev2
+    #include "rev2.h"
+#endif
 
 // Used to create a keymap using only KC_ prefixed keys
 #define LAYOUT_kc( \