next iteration on display, still some artifacting issues, and ux with buttons states and updating

tools/make_icon_font.py

@@ -67,7 +67,12 @@ ICONS = {
     "ICON_SUNSET":          ["weather-sunset-down"],
     "ICON_GAUGE":           ["gauge"],
 
+    # trend arrows for temperature / pressure readings
+    "ICON_TREND_UP":        ["trending-up"],
+    "ICON_TREND_DOWN":      ["trending-down"],
+
     # light tiles (order-independent; ha_config.h references these by name)
+    "ICON_TV":              ["television"],
     "ICON_SOFA":            ["sofa-outline", "sofa"],
     "ICON_DINING":          ["silverware-fork-knife", "silverware"],
     "ICON_FLOOR_LAMP":      ["floor-lamp"],