mattrighetti Whitefox keymap (#12582)

* Initial configuration with led and three layers

+ First layer contains classic keys
+ Second layer contains F keys and media keys
+ Third layer contains numbers in the top portion of the letter keys
+ Default LEDs configuration

* RGB toggle

* Documentation and minor changes

* Added LGUI key and remapped layer 2 on layer 1

* Removed backlight and led keys

* Updated keymap graphical representation

* Switched LGui with Lalt to emulate macOS layout

* Updated keymap with GNU License

keyboards/whitefox/keymaps/mattrighetti/rules.mk

@@ -0,0 +1,10 @@
+BOOTMAGIC_ENABLE = no
+
+# Keyboard-specific features
+BACKLIGHT_ENABLE   = no
+VISUALIZER_ENABLE  = no
+
+# Firmware size reduction
+GRAVE_ESC_ENABLE   = no
+MAGIC_ENABLE       = no
+SPACE_CADET_ENABLE = no