Enable the Colormap plugin too

This is primarily so that one doesn't have to flash the "experimental" firmware
from Chrysalis to be able to use the colormap editor there.

Signed-off-by: Gergely Nagy <algernon@keyboard.io>

Model01-Firmware.ino

@@ -57,6 +57,9 @@
 // Support for an LED mode that prints the keys you press in letters 4px high
 #include "Kaleidoscope-LED-AlphaSquare.h"
 
+// Support for an LED mode that lets one configure per-layer color maps
+#include "Kaleidoscope-Colormap.h"
+
 // Support for Keyboardio's internal keyboard testing mode
 #include "Kaleidoscope-Model01-TestMode.h"
 
@@ -466,6 +469,9 @@ KALEIDOSCOPE_INIT_PLUGINS(
   // The stalker effect lights up the keys you've pressed recently
   StalkerEffect,
 
+  // The Colormap effect makes it possible to set up per-layer colormaps
+  ColormapEffect,
+
   // The numpad plugin is responsible for lighting up the 'numpad' mode
   // with a custom LED effect
   NumPad,
@@ -528,6 +534,11 @@ void setup() {
   // by using the `settings.defaultLayer` Focus command, or by using the
   // `keymap.onlyCustom` command to use EEPROM layers only.
   EEPROMKeymap.setup(5);
+
+  // We need to tell the Colormap plugin how many layers we want to have custom
+  // maps for. To make things simple, we set it to five layers, which is how
+  // many editable layers we have (see above).
+  ColormapEffect.max_layers(5);
 }
 
 /** loop is the second of the standard Arduino sketch functions.