[Keyboard] beta support for the Rocketboard-16 macro/num pad (#10688)

* Firmware initial commit, still has a few bugs - mainly rotary encoders do not work and needs cleaning up

* Fixed the volume control issue and limited the RGB brightness (can be really bright), added the ability to switch LED mode with left encoder click, and added via support (untested)

* Remove define that should go in config.h

* Removed define that should be in config.h

* Removed LTO_ENABLE as suggested - has issues on ARM

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

* Added the correct define for OLED screen size

* Applied suggested change to remove description

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

* Made suggested change to remove backslashes

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

* Suggested change made to rgblight

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

* Suggested change made to rgblight

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

* Suggested change made to remove backslashes

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

* Suggested change made to rgblight

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

* Update keyboards/rocketboard_16/rocketboard_16.c

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

* Added suggested comments

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

* Made suggested changes to rules file

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

* Added suggested change to rgblight

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

* Added info.json for QMK configurator

* Update readme.md

* This change makes the firmware work... through magic... seriously, no idea - but it works!

* Updated dimming step, OLED functionality, and rules for formatting

- Changed the dimming step size for smoother dimming with the reduced range
- Added lots of OLED functionality - QMK logo and title at top, num/caps/scroll lock status, and backlight brightness level
- Updated the rules.mk file to comply more closely with the formatting guidelines

* Fixed tab issues

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

* Updated to use bootmagic lite with the key that usually turns rgb on/off

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

keyboards/rocketboard_16/rocketboard_16.c

@@ -0,0 +1 @@
+#include "rocketboard_16.h"