indicators: Adding the NONE indicator to disable e.g. indicators for tags

patch/bar_indicators.c

@@ -13,7 +13,7 @@ void
 drawindicator(Monitor *m, Client *c, unsigned int occ, int x, int w, unsigned int tag, int filled, int invert, int type)
 {
 	int i, boxw, boxs, indn = 0;
-	if (!(occ & 1 << tag))
+	if (!(occ & 1 << tag) || type == INDICATOR_NONE)
 		return;
 
 	boxs = drw->fonts->h / 9;

patch/bar_indicators.h

@@ -1,4 +1,5 @@
 enum {
+	INDICATOR_NONE,
 	INDICATOR_TOP_LEFT_SQUARE,
 	INDICATOR_TOP_LEFT_LARGER_SQUARE,
 	INDICATOR_TOP_BAR,