Merge remote-tracking branch 'origin/master' into develop

Add Atom editor suggestion (#15969)

Merge remote-tracking branch 'origin/master' into develop

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

Merge remote-tracking branch 'origin/master' into develop

Update keymap on the TS60 (#15963)

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

Merge remote-tracking branch 'origin/master' into develop

docs: fix typo in rgblight docs (#15960)

Merge remote-tracking branch 'origin/master' into develop

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

Remove `QMK_SUBPROJECT` definitions in makefile (#15958)

Merge remote-tracking branch 'origin/master' into develop

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

Merge remote-tracking branch 'origin/master' into develop

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

Merge remote-tracking branch 'origin/master' into develop

[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)

Merge remote-tracking branch 'origin/master' into develop

Small code improvements, fix KVM switch issues with GMMK Pro on andrebrait's keymap (#15943)

* Add LED table

* Make constants constant

* Disable Mousekey to fix issues with KVM

Fixes #15939

* Update GMMK/pro/ansi/andrebrait README