Adds the Planck EZ, 3737 RGB, fixes out-of-tune notes (#5532)

* 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

* Adds the Planck EZ, 3737 RGB, fixes out-of-tune notes

* fix bug in quantum/rgb_matrix_drivers.c

Co-Authored-By: jackhumbert <jack.humb@gmail.com>

* update command setting to the correct default

* correct rgb config

* remove commented-out lines

* update docs for the 3737

* Update docs/feature_rgb_matrix.md

Co-Authored-By: jackhumbert <jack.humb@gmail.com>

keyboards/planck/ez/rules.mk

@@ -0,0 +1,24 @@
+# project specific files
+LAYOUTS += ortho_4x12
+
+# Cortex version
+MCU  = STM32F303
+
+# Build Options
+#   comment out to disable the options.
+#
+BACKLIGHT_ENABLE = no
+BOOTMAGIC_ENABLE = yes  # Virtual DIP switch configuration
+## (Note that for BOOTMAGIC on Teensy LC you have to use a custom .ld script.)
+MOUSEKEY_ENABLE = yes # Mouse keys
+EXTRAKEY_ENABLE = yes # Audio control and System control
+CONSOLE_ENABLE = yes  # Console for debug
+COMMAND_ENABLE = yes    # Commands for debug and configuration
+#SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
+NKRO_ENABLE = yes     # USB Nkey Rollover
+CUSTOM_MATRIX = no # Custom matrix file
+AUDIO_ENABLE = yes
+RGBLIGHT_ENABLE = no
+# SERIAL_LINK_ENABLE = yes
+ENCODER_ENABLE = yes
+RGB_MATRIX_ENABLE = IS31FL3737