Rename some Quantum keycodes (#15968)

* Rename some Quantum keycodes

* Tweak EEPROM clear and debug keycode short aliases

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Add Atom editor suggestion (#15969)

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docs: fix typo in led matrix docs (#15972)

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Update keymap on the TS60 (#15963)

Co-authored-by: Wolf Van Herreweghe <wolfvh@getupgamesofficial.com>

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docs: fix typo in rgblight docs (#15960)

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Remove community-supported keyboards list from readme (#15957)

Remove `QMK_SUBPROJECT` definitions in makefile (#15958)

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[Docs] Fix typo in ADNS 9800 sensor name (#15956)

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Add missing STM32F405 definition in qmk.constants (#15937)

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[Keyboard] add Plexus75_HE (#15634)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

[Bug][Core] Fix optical sensor firmware upload (#15919)

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