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/config.h

@@ -1,11 +1,7 @@
-#ifndef CONFIG_H_
-#define CONFIG_H_
+#pragma once
 
 #include QMK_KEYBOARD_CONFIG_H
 #include "333fred_config.h"
 
 #undef TAPPING_TERM
 #define TAPPING_TERM 200
-
-
-#endif