[Keyboard] Add keyboard Getta25 (#7497)
* [Keyboard] Add keyboard Getta25
Add Getta25 keyboard.
A 25 keys Tenkey.
Salicylic-acid3
* Update keyboards/getta25/info.json
* Update keyboards/getta25/readme.md
* Update keyboards/getta25/readme.md
* Update keyboards/getta25/readme.md
* Update keyboards/getta25/info.json
* Update keyboards/getta25/info.json
* Update keyboards/getta25/info.json
* Update keyboards/getta25/info.json
* Update keyboards/getta25/keymaps/oled/glcdfont.c
* Update keyboards/getta25/keymaps/oled/glcdfont.c
* Keymap Update
Remove unnecessary code blocks
* Update keyboards/getta25/keymaps/oled/keymap.c
* Update keyboards/getta25/keymaps/oled/keymap.c
* Update keyboards/getta25/keymaps/oled/keymap.c