[Keyboard] Monstargear XO87 RGB Hot-Swap PCB (#11555)
* Support for Monstargear XO87 Hot-Swap PCB
* Remove manufacturer from product line
* Removed alternate bootloaders
* Updated info.json
* Missed RGB_DISABLE_WHEN_USB_SUSPENDED in config.h
* Delete kb.h
* Update rgb.h
* Update rules.mk
* Add files via upload
* Delete kb.h
* Update keymap.c
* Update config.h
* Update rgb.c
* Add via RGB support
* Update info.json
* Update readme.md
* Update readme.md
* Update config.h
* Update rgb.h
* Update config.h
* Mirror factory layout
* Mirror factory layout
* Update rgb.h
* Update keyboards/xo87/rgb/rgb.c
* Update rgb.c
* Update keyboards/xo87/rgb/config.h
* Update keyboards/xo87/rgb/rules.mk
* Update keyboards/xo87/rgb/rules.mk
* Update keyboards/xo87/rgb/keymaps/via/keymap.c
* Update keyboards/xo87/rgb/rules.mk
* Update keyboards/xo87/rgb/rules.mk
* Update keyboards/xo87/rgb/keymaps/via/keymap.c
* Update config.h
* Update keyboards/xo87/rgb/readme.md
* Update keyboards/xo87/rgb/readme.md
* Update keyboards/xo87/rgb/readme.md
* Update keyboards/xo87/rgb/rules.mk
* Update keyboards/xo87/rgb/rules.mk
* Update keyboards/xo87/rgb/rules.mk
* Update keyboards/xo87/rgb/rules.mk
* Update keyboards/xo87/rgb/rules.mk
* remove deprecated action_get_macro()
* rearrange layout per request
* rearrange layout per request
* Update keyboards/xo87/rgb/rgb.h
* Update keyboards/xo87/rgb/keymaps/default/readme.md
* Update keyboards/xo87/rgb/readme.md
* Bugfix for RGB Matrix
* Bugfix for RGB Matrix
* Moved to new subdirectory and updated build commands to reflect changes
* Remove old files
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