[Keyboard] Add a new keyboard ADKB96 (#5685)

[Keyboard] Add a new keyboard ADKB96 (#5685)

* New Keyboard ADKB96 http://bit-trade-one.co.jp/selfmadekb/adkb96/

* New Keyboard ADKB96 http://bit-trade-one.co.jp/selfmadekb/adkb96/

* Update Readme.md

* Update Readme.md

* Update Readme.md

* Update Readme.md

* Update Readme.md

* Update Readme.md

* Update Readme.md

* Rename Readme.md to readme.md

* Update keyboards/adkb96/adkb96.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update readme.md

* Update readme.md

* Update keyboards/adkb96/adkb96.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/adkb96.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/config.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/config.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/config.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keymap.c

* Update keyboards/adkb96/rev1/config.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/rev1/config.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update config.h

* Update keyboards/adkb96/rev1/config.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/rev1/rev1.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/rev1/rev1.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/rev1/rev1.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update rules.mk

* Delete rules.mk

* Update rules.mk

* Update keyboards/adkb96/rules.mk

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/rules.mk

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/rev1/config.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update config.h

* Update rules.mk

* Update config.h

* Delete i2c.c

* Delete i2c.h

* Delete matrix.c

* Delete serial.c

* Delete serial.h

* Delete split_util.c

* Delete split_util.h

* Update keymap.c

* Update keymap.c

* Update keymap.c

* Update keymap.c

* Update rev1.c

* Update keyboards/adkb96/rev1/config.h

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update keyboards/adkb96/rules.mk

Co-Authored-By: kit-bto <42862131+kit-bto@users.noreply.github.com>
* Update rev1.h