Update vitamins included default keymap, enable NKRO, rev2 rgbsplit (#8871)

* Update default vitamins_included keymap

* Turned on NKRO support
* Added NKRO toggle key to keymap
* Cleaned up key map to be more up to date with current standards

* configured RGBLED_SPLIT

keyboards/vitamins_included/rev2/config.h

@@ -56,8 +56,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* ws2812 RGB LED */
 #define RGB_DI_PIN F0
 
-#define RGBLED_NUM 12    // Number of LEDs
+#define RGBLED_NUM 12
 #define RGBLIGHT_ANIMATIONS
+#define RGBLED_SPLIT { 6, 6 }
 
 /* Audio settings */
 #ifdef AUDIO_ENABLE