Send a matrix event when you change state

lightrix.py

@@ -175,6 +175,9 @@ if __name__ == "__main__":
     args = parser.parse_args()
     if args.room is None:
         print("Require --room argument")
+        # Announce
+        for room_id in self.room_ids:
+            self.client.api.send_message(room_id, u"m.message.lightrix", {"pattern": pattern, "from_msg": msg})
         sys.exit(1)
     if not os.path.exists(args.config_path):
         print("Configuration file doesn't exist, please create one")