run: qmk cformat --core-only

Restore standard readme

Add changelog for 2021-05-29 Breaking Changes merge (#12939)

* Add ChangeLog for 2021-05-29 Breaking Changes Merge: initial version

* Add recent develop changes

* Sort recent develop changes

* Remove sections for ChibiOS changes per tzarc

No ChibiOS changes this round.

* Add and sort recent develop changes

* add notes about keyboard moves/deletions

* import changelog for PR 12172

Documents the change to BOOTMAGIC_ENABLE.

* update section headings

* re-sort changelog

* add additional note regarding Bootmagic changes

* remove changelog timestamp

* update dates in main Breaking Changes docs

* fix broken section anchors in previous changelogs

* add link to backlight/eeprom patch to changelog

* highlight some more changes

* link PRs from section headers

Co-authored-by: Zach White <skullydazed@gmail.com>

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

World domination (#13021)

Co-authored-by: Nick Brassel <nick@tzarc.org>
Co-authored-by: Ryan <fauxpark@gmail.com>

`backlight.c`: include `eeprom.h` (#13024)

Fix keyboards/keymaps for boolean encoder callback changes (#12985)

[Keyboard] Remove redundant legacy and common headers for crkbd (#13023)

Was causing compiler errors on some systems.

Co-authored-by: filterpaper <filterpaper@localhost>

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

CLI/c2json: Print 'cpp' error when executed in verbose mode (#12869)

Co-authored-by: Ryan <fauxpark@gmail.com>

Add dire message about LUFA mass storage bootloader (#13014)

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

Sofle rev1 Keymap - featuring keyboard pets (#12499)

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

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

[Keymap] add personal keymap files, and sofle_rgb default maps, (#12267)

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

[Keyboard] Corgi keyboard (#12311)

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

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

[Keyboard] Add Jabberwocky Keyboard (#12500)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Rossman360 <rmontsinger@gmail.com>

Backlight: add defines for default level and breathing state (#12560)