Add custom panel for LCN configuration (#108664)

* Add LCN panel using lcn-frontend module

* Move panel from sidebar to integration configuration

* Change OptionFlow to reconfigure step

* Change OptionFlow to reconfigure step

* Remove deprecation warning

* Fix docstring

* Add tests for lcn websockets

* Remove deepcopy

* Bump lcn-frontend to 0.1.3

* Add tests for lcn websockets

* Remove websocket command lcn/hosts

* Websocket scan tests cover modules not stored in config_entry

* Add comment to mock of hass.http

* Add a decorater to ensure the config_entry exists and return it

* Use entry_id instead of host_id

* Bump lcn-frontend to 0.1.5

* Use auto_id for websocket client send_json

* Create issues on yaml import errors

* Remove low level key deprecation warnings

* Method renaming

* Change issue id in issue creation

* Update tests for issue creation

homeassistant/generated/config_flows.py

@@ -310,6 +310,7 @@ FLOWS = {
         "lastfm",
         "launch_library",
         "laundrify",
+        "lcn",
         "ld2410_ble",
         "leaone",
         "led_ble",