* Add switch platform
* Add mypulink switch platform
* Update tests according to review
* Address more review comments
* Adjust types
* More typing
* Fix typo
* Use constants in tests
* Revert constants
* Catch aiohttp.ClientError when API call fails
* Add test case for failed async_set_device_points call
* Test api failures for both toggle directions
* Use parametrize for testing switching
