fix: use proper formatted emoji in config.json.template

Author: christolis

application/config.json.template

@@ -121,7 +121,7 @@
             {
                 "description": "Lorem ipsum",
                 "name": "Test role",
-                "formattedEmoji": ":joy:"
+                "formattedEmoji": "🔥"
             }
         ]
     }