[CI] Disable Discord webhook when CI run is cancelled. (qmk#24104)

* Disable Discord webhook when CI run is cancelled.

* Include link to binaries in Discord output.

Fix missing hashbang

fixup CI exec flag

[CI] Format code according to conventions (qmk#24100)

Add json index of files to CI uploads (qmk#24097)

[CI] Format code according to conventions (qmk#24095)

Format code according to conventions

[CI] Add index page generator. (qmk#23737)

[docs] Fixup home link. (qmk#24068)

Add support for userspace to docker build commands. (qmk#23988)

Re-implement `eeprom_write_qword` as define (qmk#23890)