Update manifest.json

Added iot_class

Author: lukas-hetzenecker

custom_components/remote_homeassistant/manifest.json

@@ -13,5 +13,6 @@
   "zeroconf": [
     "_home-assistant._tcp.local."
   ],
-  "version": "3.4"
+  "version": "3.4",
+  "iot_class": "local_push"
 }