* Migrate `LAYOUTS` to data driven, 0-9
* Migrate `LAYOUTS` to data driven, A
* Migrate `LAYOUTS` to data driven, B
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* Migrate `LAYOUTS` to data driven, handwired
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* Migrate `LAYOUTS` to data driven, Z
* added SQUARE.X keyboard from the iNETT Studio
* split to two sub directories
* Apply suggestions from code review
* Update keyboards/inett_studio/sqx/universal/universal.h
* Apply suggestions from code review
* update the matrix control keycodes settings
* use the offical macro to the rgb matrix control
* fixed led position issue
* Apply suggestions from code review
* removed the redundant #endif
* update default keymap
* Apply suggestions from code review
* add license header
