[Keymap] Update to Userspace kuchosauronad0 (#6899)

* Add Plover layer, remove unused layers

* Add rgb indicator for success/failed sequences

* Add RGB effects

* Add RGB

* Add effects for start and end of a leader sequence

* Add PLOVER layer

* Add RGB

* Add RBG

* Minor clean up

* Minor clean up

* Minor clean up

* Minor clean up

* Rename rgb_light to rgblight_user and fix all references to it

* Remove unnecessary guards

Remove unnecessary matrix_scan in rgb post_init function

* remove trailing newline

users/kuchosauronad0/rules.mk

@@ -2,10 +2,11 @@ SRC += kuchosauronad0.c \
 	   process_records.c
 
 LINK_TIME_OPTIMIZATION_ENABLE = yes
+SPACE_CADET_ENABLE            = no
 
-#ifneq ("$(wildcard $(USER_PATH)/secrets.c)","")
-#     SRC += secrets.c
-#endif
+ifneq ($(strip $(RGBLIGHT_ENABLE)),yes )
+     SRC += rgblight_user.c
+endif
 
 ifeq ($(strip $(TAP_DANCE_ENABLE)), yes)
      SRC += tap_dances.c
@@ -14,6 +15,7 @@ endif
 ifeq ($(strip $(ENCODER_ENABLE)), yes)
      SRC += encoder.c
 endif
+
 ifeq ($(strip $(COMBO_ENABLE)), yes)
      SRC += combo.c
 endif