Add integration_type hub to homematicip_cloud (home-assistant#159129)

Author: joostlek

homeassistant/components/homematicip_cloud/manifest.json

@@ -4,6 +4,7 @@
   "codeowners": ["@hahn-th"],
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/homematicip_cloud",
+  "integration_type": "hub",
   "iot_class": "cloud_push",
   "loggers": ["homematicip"],
   "requirements": ["homematicip==2.4.0"]