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

Update documentation because GPIO functions are no longer in quantum.h (#14826)

* GPIO functions are no longer in quantum.h

* Update docs/internals_gpio_control.md

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

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

Enable CLI flashing via mdloader (#14729)

* Enable CLI flashing via mdloader

* remove flag

* Update qmk flash help

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

[Keyboard] Add MK61-RGB-ANSI keyboard (#14795)

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

[Docs] Clean up reference_info_json.md (#14806)

[Keymap] Add keebio iris layout beakl 15  (#14762)

remove Bracket Pair Colorizer recommendation (#14816)

As of v1.60, vscode has a much faster built-in method of colorizing bracket pairs, making the extension unnecessary.
https://code.visualstudio.com/blogs/2021/09/29/bracket-pair-colorization

[Keyboard] PLX Refactor (#14809)

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

[Keyboard] Add ginkgo65 (#14802)

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

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

Documentation: Updated KBDFans readmes (#14725)

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

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

[Keymap] Display default layer name (#14819)

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

Add KC_BSLS key to Horizon keyboard default layout (#14815)

* Define Horizon keyboard

* Set indentation according to QMK coding convention

* Update horizon keyboard readme to satisfy current QMK template

* Use row-column order in horizon readme

* Update keyboards/horizon/rules.mk

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

* Update keyboards/horizon/rules.mk

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

* Update keyboards/horizon/rules.mk

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

* Update keyboards/horizon/rules.mk

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

* Update keyboards/horizon/rules.mk

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

* Update keyboards/horizon/rules.mk

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

* Update keyboards/horizon/info.json

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

* Update keyboards/horizon/info.json

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

* Add KC_BSLS to Horizon default keymap

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

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

contra, fractal: Remove wrongly copypasted pin E6 manipulation code (#14818)

Apparently the default keymaps for `contra` and `fractal` were derived
from some `planck` keymap which contained code to control the status LED
in the implementation of the `BACKLIT` custom keycode.  Unfortunately,
the code to control the LED manipulated the `E6` pin directly, and it
was copied without changes, but the `contra` and `fractal` boards use
the `E6` pin in the matrix, therefore pressing the key mapped to
`BACKLIT` resulted in phantom keypresses for all keys in the
corresponding column.

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