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

[Keymap] ajp10304: add mouse scroll keys (#14953)

[Keyboard] Fix Compile issues for lefty (#14982)

Stop-gap forward-port Drop LED features for CTRL and ALT (#14967)

More platform/protocol alignment (#14976)

Fix develop after recent changes (#14975)

* Fix sleep led issues

* Fix tests

Relocate protocol files within tmk_core/common/ (#14972)

* Relocate non platform files within tmk_core/common/

* clang

Move LTO logic from common.mk (#14973)

Remove SERIAL_MOUSE (#14969)

Migrate makefile utilities to sub-directory (#14917)

[Keyboard] add Lefty keyboard (#14898)

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 support for bm65rgb, a revival of #13361  (#14800)

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

[Keymap] Add personal lily58 keymap (#14834)

Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: polplop <paultan@handshakes.com.sg>
Co-authored-by: paultan <47445257+polplop@users.noreply.github.com>

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

[Keyboard] binepad bn009 (#14881)

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 MW65 Series PCB (#14939)

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

[Docs] Add instructions to create keymap before proceeding (#14945)

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