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

[Keyboard] Add MW75 support (#14833)

Remove legacy handling for ErgoDox Infinity handedness (#14919)

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

Check usb transmit status in send_extra() (#14643)

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

Fix right half of Nyquist in 4x12 mode having row shifted up by one (#14914)

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

Pteron36 Refactor (#14904)

* reformat info.json

- friendly-format info.json
- move the right half to the left by 0.5u (improves readability, for me anyway)
- correct key sequence

* refactor default keymap

- use short-form keycodes
- use four-space indent

* refactor via keymap

- use short-form keycodes
- use four-space indent

* update maintainer field in info.json

Use the maintainer's GitHub username.

* readme touch-up

Minor edit to the lead paragraph, and reformat the Hardware Availability section.

* change BOOTMAGIC_ENABLE from `lite` to `yes`

Initial USB2422 driver (#14835)

Split out arm_atsam shift register logic (#14848)

Fix ccache default (#14906)

Move USE_CCACHE logic to common location (#14899)

Tidy up LCD_ENABLE/visualizer references (#14855)

* Tidy up LCD_ENABLE/visualizer references

* Fix up my (333fred) ergodox keymap with new LCD driver

Co-authored-by: Fredric Silberberg <fred@silberberg.xyz>

Relocate PS2 code (#14895)

* Relocate ps2 protocol code

* clang

* Move makefile logic

Rename platform SRC variable (#14894)

Align PS/2 GPIO defines (#14745)

* Align PS/2 GPIO

* Align PS/2 GPIO

* refactor more keyboards

* Remove more defines

* Put back avr/chibios split

* format

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

Fix type of Tap Dance max index variable (#14887)

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