Correct backlight on state docs (#6358)

* Correct backlight on state docs

* Reword to make it less confusing

Add prime_e keymap (#6350)

Allow userspace the opportunity to handle keycodes

cleanup and start sound (#6353)

Extend maximum number of backlight levels to 31 (#6351)

Add model01 keymap. Change kinesis keeymap.

Remove unnecessary IS_COMMAND definitions from a couple of boards

Use led_set_kb instead of led_set_user in melody96.c

Remove more commented out MCUs

[Keyboard] Add keyboard Naked48 (#6330)

* Add Naked48

*  Comment reflected

Fix Preprocessor check for Leader Keys

Remove the need to specify NUM_OF_ENCODERS for the Encoder feature (#6328)

* Remove the need to set NUM_OF_ENCODERS

Instead, calculate the size of the array, and use that instead

* Add hack for split common support

* Remove NUM_OF_ENCODERS from keyboard config

Can be reverted, if needed

[Keymap] Fix advanced keymap readme and macro function (#6342)

Allow Combo feature to be enabled/disabled live (#6318)

* Add ability to enable/disable combos

* Update documentation for Combo feature

* Change keycodes for appeasement

* Simplify combo_toggle function

* Update names

* Update combo docs to use tables

Align ARM i2c_readReg with AVR (#6314)

* Align arm i2c_readReg with avr

* Align arm i2c_readReg with avr - fix cannonkeys

Add ARM I2Cv1 support to i2c_master (#6262)

* Add ARM I2Cv1 support to i2c_master

* Add I2Cv1 docs

Expand bootloader target to support most AVR boards (#6255)

* Update the :bootloader target to pass along correct hardware info

* Update make scripts to properly grab the settings (a big thanks to @yanfali)

* Remove LUFA debug warnings

Make Caps Lock delay more reasonable (#6199)

* Make Caps Lock delay more reasonable

* Update documentation

* Update docs/config_options.md

Co-Authored-By: Konstantin Đorđević <vomindoraan@gmail.com>

* Update docs/config_options.md

Co-Authored-By: Konstantin Đorđević <vomindoraan@gmail.com>

Configure Vagrant to use qmk_base_container (#6194)

* Initial conversion of vagrant to use qmkfm/base_container

* Fix vagrant when using docker provider

* Workaround for VirtualBox VM restarts

* Generalise Vagrant docs slightly and add FAQ

Store backlight breathing state in EEPROM (#6105)

* Store backlight breathing state in EEPROM

* Reduce backlight_config.level from 6 bits to 4 (max 15 "on" levels)

* Error out if BACKLIGHT_LEVELS is > 15

* Remove mention of default backlight pin in rules.mk template

* Remove pointless comment