fix typo....

src/main.cpp

@@ -317,7 +317,7 @@ void loop(void) {
       digitalWrite(ledPin, LOW);
       Serial.println("Garage Closed");
       //send_notification("garagedoor.closed.livorno.address");
-      send_mqtt("cosed");
+      send_mqtt("closed");
     }
     previousState=buttonState;
   }