Effect#loop now gets the time since the last run of the loop in ms. This enables

the effects to show animations that stay fluid independent of the current frame rate.

src/effect_static.cpp

@@ -6,7 +6,7 @@ StaticEffect::StaticEffect(CRGB col) {
     color = col;
 }
 
-void StaticEffect::loop() {
+void StaticEffect::loop(uint16_t ms) {
     EVERY_N_SECONDS(1) {
         window->clear(&color);
     }