Update personal keymap for Let's Split keyboard. (#10536)
* Add Initial layout configuration.
* Set arduino pro micro's built in RX LED as Numlock
* Enable Autoshift feautre.
* Remove DVORAK layout.
* Add Numpad, update default layer.
* Update AutoShift timeout.
* Beautify ASCII Art.
* Update keymap.
* Add Initial verison of RGB lighting.
* Add Tap dance, hungarian letters.
.Xmodmap example: 09f058753d
* Update RGB to use only noeeprom functions.
* Change default rgb led color.
* Add `pragma once`.
* Emojis added.
* Add tap dance for hungarian letters, multimedia control, slash/backslash.
* Remove audio related code.
* Add Gaming layer.
* Remove unnecessary code, update copyright.
* Add readme.md
* Implement code review suggestions.
* Implement code review suggestions #2
* Remove Auto Shift feature.
* Remove Gaming layer.
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