* generate rules.mk from a json mapping
* generate rules.mk from a json mapping
* support for config.h from json maps
* improve the mapping system
* document the mapping system
* move data/maps to data/mappings
* fix flake8 errors
* fixup LED_MATRIX_DRIVER
* remove product and description from the vision_division keymap level
* reduce the complexity of generate-rules-mk
* add tests for the generate commands
* fix qmk doctor when submodules are not clean
Zach White