[Keyboard] Add uzu42 keyboard (#6842)

[Keyboard] Add uzu42 keyboard (#6842)

* initial commit

* OLEDに表示するロゴをuzuのものに差し替えた

* delete undefault keymaps

* delete info.json

* delete pro_micro.h

* remove USE_Link_Time_Optimization check

* Moved constant defined for each keymap.c to rev1.h

* update layer_state_reader.c

* Rename Uzu42 to uzu42

* remove bootloader.h include

* LAYOUT_kc to LAYOUT

* delete keymap level rules.mk

* update readme.md

* remove persistent_default_layer_set function.

* try refactor to use split_common and use OLED driver

* Revert "try refactor to use split_common and use OLED driver"

This reverts commit 5a9afceacb450ca9eca8a146b64c24d0e0925dd8.

* Update keyboards/uzu42/rev1/config.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/uzu42/rev1/rev1.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/uzu42/rev1/rev1.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/uzu42/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Remove lines already defined in QMK

* Update keyboards/uzu42/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/uzu42/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/uzu42/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* replaced comment block

* Update keyboards/uzu42/config.h

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Revert "Revert "try refactor to use split_common and use OLED driver""

This reverts commit a7849216f49a411558d4cfdcfbf3e202defe892a.

* fix setting for RGBLED

* The default of OLED_DRIVER_ENABLE has been changed to no.

* Delete unuse block.

* Remove unnecessary keycode definitions.

* Remove unuse custom keycode.

* Remove not needed code.

* Remove not called code.

* Remove code overwritten by the core.

* Remove LAYOUT_kc macro.

* Moved the definition of the layer block to keymap.c.

* Removed unuse variable.

* Remove code overwritten by the core too.

* incorporate layer changes

* Moved src rule to keymap from rev1.

* Removed rgb_state_reader.c from lib folder and the code move to the keymap.c

* Removed layer_state_reader.c from lib folder and the code move to the keymap.c

* Removed logo_reader.c from lib folder and the code move to the keymap.c

* Removed keylogger.c from lib folder and the code move to the keymap.c

* Moved glcdfont_uzu42.c from lib folder to the default keymaps folder.

* Removed unused files.