Keymap: Adds zen layout for 333fred (#3563)

* Initial commit of zen keymap

* Added RGB control for my zen

* Fixed ergodox layout.

* Reduce brightness.

* PR feedback.

layouts/community/ergodox/333fred/keymap.c

@@ -363,15 +363,9 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   return true;
 }
 
-// Runs just one time when the keyboard initializes.
-void matrix_init_user(void) {
-
-};
-
-
 // Runs constantly in the background, in a loop.
-void matrix_scan_user(void) {
+void matrix_scan_user_keyboard(void) {
     ergodox_board_led_on();
     ergodox_led_all_on();
-};
+}