[Keymap] Added Xulkal ALT Keymap (#7332)

* Added Xulkal ALT Keymap

* Hadron compile fix

* Keymap fix

users/xulkal/custom_rgb.h

@@ -1,9 +1,12 @@
 #pragma once
 
 #if defined(RGB_MATRIX_ENABLE)
-#include "rgb_matrix.h"
+#    include "rgb_matrix.h"
 #elif defined(RGBLIGHT_ENABLE)
-#include "rgblight.h"
+#    if !defined(__AVR__)
+#        define PROGMEM
+#    endif
+#    include "rgblight.h"
 #endif
 
 #ifdef RGB_MATRIX_ENABLE