Give Towns a unique icon

constants.js

@@ -52,7 +52,7 @@ const buildings = {
     "desc": "More snacks, less packaging.",
     "cost": 1.8e6,
     "prod": 1e4/1.5,
-    "icon": "fa-building"
+    "icon": "fa-store"
   },
   "block": {
     "name": "Block",