Add support for SOMA Smartshades devices (#26226)

* Add Soma integration

* Fixed cover position get/set

* Try to list devices before creating config entries to see if Soma Connect can be polled

* Style fixes

* Updated requirements

* Updated .coveragerc to ignore Soma component

* Fixed linter errors

* Implemented stop command

* Test coverage fixes according to feedback

* Fixes to code according to feedback

* Added error logging and tested config from yaml

* Indentation fix

* Removed unnecessary method

* Wrong indentation

* Added some tests

* Added test for import step leading to entry creation

* Added feedback to user form in case of connection error

* Minor fixes according to feedback

* Changed exception type in error handling for connection to Connect

* To keep API consistent for Google Home and Alexa we swapped the open/closed position values back and I reversed them in this integration as well

* regenerated requirements, ran black, addde __init__.py to ignore file

* Added pysoma library to gen_requirements_all.py

* Added missing test case

* removed useless return value

homeassistant/generated/config_flows.py

@@ -55,6 +55,7 @@ FLOWS = [
     "smartthings",
     "smhi",
     "solaredge",
+    "soma",
     "somfy",
     "sonos",
     "tellduslive",