Add Lutron config flow (#98489)

* rough in structure for config_flow

* updated json files

* initial conversion to config_flow

* minor updates

* Update binary_sensor.py

* Update config_flow.py

* Update __init__.py

* updates beased on requested changes

* Update const.py

added doc note for ruff

* updated based on suggestions

* updated load xmldb for efficiency

* updated references

* removed unneeded file

* updated config flow to use GUID from XML DB

* minor update to change logging

* updated based on PR feedback

* reverted change for line 30 based on testing

* corrected user_input

* updated based on latest comments

* exception handling

* added raising of issues for config flow

* updated issues strings

* config flow test shell - needs work

* minor changes

* Update strings.json

* Update config_flow.py

* Update __init__.py

* Create conftest.py

* Update test_config_flow.py

* Update test_config_flow.py

* Update config_flow.py

* Update strings.json

* Update requirements_test_all.txt

* Update strings.json

* Update strings.json

* Update config_flow.py

* Update test_config_flow.py

* Update config_flow.py

* Create test_init.py

* Update __init__.py

* Delete tests/components/lutron/test_init.py

* Update strings.json

* updated import parts and tested

* updated strings to improve user feedback

---------

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

tests/components/lutron/conftest.py

@@ -0,0 +1,15 @@
+"""Provide common Lutron fixtures and mocks."""
+
+from collections.abc import Generator
+from unittest.mock import AsyncMock, patch
+
+import pytest
+
+
+@pytest.fixture
+def mock_setup_entry() -> Generator[AsyncMock, None, None]:
+    """Override async_setup_entry."""
+    with patch(
+        "homeassistant.components.lutron.async_setup_entry", return_value=True
+    ) as mock_setup_entry:
+        yield mock_setup_entry