Add integration_type hub to freedompro (home-assistant#159024)

Author: joostlek

homeassistant/components/freedompro/manifest.json

@@ -4,6 +4,7 @@
   "codeowners": ["@stefano055415"],
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/freedompro",
+  "integration_type": "hub",
   "iot_class": "cloud_polling",
   "loggers": ["pyfreedompro"],
   "requirements": ["pyfreedompro==1.1.0"]