[Keyboard] keebwerk. nano. slider support (#7914)
* Initial Keeb.werk nano.slider support
* fixed open ifdef
* Fixed layout macros
* Added LTO
* Enabled LTO and dissabled console
* Added basic slider example
* rate limited adc, and fixed send_string
* Made slider courser
* new-line after each slider print
* Switched slider example mirror the stock behavior using midi
* switched division to bit-shifting
* Apply suggestions from code review
* Update keyboards/keebwerk/nano_slider/keymaps/default/keymap.c
* Update keyboards/keebwerk/nano_slider/config.h
* Update keyboards/keebwerk/nano_slider/config.h
* Applied suggestions from code review
* Apply suggestions from code review
* Added fauxparks info.json
* Reverse midi value direction, move to QMKVID
* Update keyboards/keebwerk/nano_slider/config.h
* Update keyboards/keebwerk/nano_slider/config.h
* Update keyboards/keebwerk/nano_slider/keymaps/default/keymap.c
* Apply suggestions from code review
* Update keyboards/keebwerk/nano_slider/rules.mk
* Update keyboards/keebwerk/nano_slider/nano_slider.h
* Update keyboards/keebwerk/nano_slider/readme.md
* Defined backlight pin and settings
4f1a62ca1d