[Keymap] Jonavin keymap gmmk pro (#14220)

add rgb nightmode and optional colemak layer 

Co-authored-by: Jonavin <=>

users/jonavin/jonavin.h

@@ -36,6 +36,7 @@ enum custom_user_keycodes {
   KC_WINLCK,    //Toggles Win key on and off
   RGB_TOI,      // Timeout idle time up
   RGB_TOD,      // Timeout idle time down
+  RGB_NITE      // Turns off all rgb but allow rgb indicators to work
 };
 
 #define KC_CAD	LALT(LCTL(KC_DEL))
@@ -57,11 +58,13 @@ enum custom_user_keycodes {
 #endif // TD_LSFT_CAPSLOCK_ENABLE
 
 
-
 #ifdef RGB_MATRIX_ENABLE
 //RGB custom colours
     #define RGB_GODSPEED 0x00, 0xE4, 0xFF // colour for matching keycaps
     #define RGB_NAUTILUS 0x00, 0xA4, 0xA9 // Nautilus Font colours
+
+    void activate_rgb_nightmode (bool turn_on);
+    bool get_rgb_nightmode(void);
 #endif