[Keyboard] PH Arisu (#9612)
* Port Arisu to QMK
* Update Change name to PH Arisu
* Update PH Arisu for PR
* Update Bootloader
* Using Pro Micro
* Update Manufacturer Name
* Clean rules.mk
* Update keyboards/ph_arisu/config.h
* Update keyboards/ph_arisu/config.h
* Update keyboards/ph_arisu/config.h
* Update keyboards/ph_arisu/config.h
* Update keyboards/ph_arisu/keymaps/default/keymap.c
* Update keyboards/ph_arisu/keymaps/default/keymap.c
* Update keyboards/ph_arisu/keymaps/via/keymap.c
* Update keyboards/ph_arisu/rules.mk
* https://github.com/qmk/qmk_firmware/pull/9612#discussion_r451659279 Update info.json using converter
* Fixed Clean endif
* LAYOUT not defined Error on Compile fix
* Fix implicit declaration of function 'LAYOUT'
* Update VIA keymap change KEYMAP to new LAYOUT method
* Update keyboards/ph_arisu/config.h
* Update Remove RGB_DI_PIN
* Update keyboards/ph_arisu/config.h
* Update keyboards/ph_arisu/readme.md
* Update keyboards/ph_arisu/readme.md
* Update keyboards/ph_arisu/ph_arisu.h
* Update keyboards/ph_arisu/ph_arisu.h
* Update keyboards/ph_arisu/keymaps/via/keymap.c
* Update keyboards/ph_arisu/readme.md
* Update keyboards/ph_arisu/config.h
* Add MO(1) on Keymaps
* Update info.json for QMK configurator support
* Add PH Arisu Image
* Use Smaller Size Image for Keyboard
* Change Image Host to Imgur
* Fix Imgur url
* Fix Imgur url
* Update Change Keyboard Maintainer
* Update Change Hardware Support to Pro Micro ATmega32U4
* Update keyboards/ph_arisu/config.h
* Update keyboards/ph_arisu/ph_arisu.h
* Update keyboards/ph_arisu/keymaps/default/keymap.c
* Update keyboards/ph_arisu/keymaps/via/keymap.c
* Update keyboards/ph_arisu/readme.md
* Update keyboards/ph_arisu/rules.mk
* Update Move ph_arisu to nightly_boards directory
* Update Readme make command
* Update keyboards/nightly_boards/ph_arisu/rules.mk
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