Add Basic Overlay support to Usermods.

wled00/overlay.cpp

@@ -17,7 +17,9 @@ void initCronixie()
   }
 }
 
-
+/*
+ * handleOverlays is essentially the equivalent of usermods.loop
+ */
 void handleOverlays()
 {
   initCronixie();
@@ -111,8 +113,11 @@ void _overlayAnalogCountdown()
   }
 }
 
-
+/*
+ * All overlays should be moved to usermods
+ */
 void handleOverlayDraw() {
+  usermods.handleOverlayDraw();
   if (!overlayCurrent) return;
   switch (overlayCurrent)
   {
@@ -121,7 +126,6 @@ void handleOverlayDraw() {
   }
 }
 
-
 /*
  * Support for the Cronixie clock
  */