* clean up rgb matrix extern usage
Moved rgb matrix boiler plate into macros
Rebased onto typing heatmap pr
* Fixing the reversed frame buffer access in digital rain
* Fixing digital rain & typing heatmap if keyreactive effects are not enabled
* Apply suggestions from code review
Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Adding parenthesizes to DRIVER_LED_TOTAL where necessary
* Updated docs
* added notes about parentheses
* RGB Matrix overhaul
Breakout of animations to separate files
Integration of optimized int based math lib
Overhaul of rgb_matrix.c and animations for performance
* Updating effect function api for future extensions
* Combined the keypresses || keyreleases define checks into a single define so I stop forgetting it where necessary
* Moving define RGB_MATRIX_KEYREACTIVE_ENABLED earlier in the include chain
