Add smarla integration (#143081)

* Added smarla integration

* Apply suggested changes

* Bump pysmarlaapi version and reevaluate quality scale

* Focus on switch platform

* Bump pysmarlaapi version

* Change default name of device

* Code refactoring

* Removed obsolete reload function

* Code refactoring and clean up

* Bump pysmarlaapi version

* Refactoring and changed access token format

* Fix tests for smarla config_flow

* Update quality_scale

* Major rework of tests and refactoring

* Bump pysmarlaapi version

* Use object equality operator when applicable

* Refactoring

* Patch both connection objects

* Refactor tests

* Fix leaking tests

* Implemented full test coverage

* Bump pysmarlaapi version

* Fix tests

* Improve tests

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

homeassistant/generated/config_flows.py

@@ -578,6 +578,7 @@ FLOWS = {
         "slimproto",
         "sma",
         "smappee",
+        "smarla",
         "smart_meter_texas",
         "smartthings",
         "smarttub",