Add integration for ProgettiHWSW automation boards (#37922)

* Opened a new fresh page to clean my mess.

* Solved pylint warnings

* Fixing pylint issue of defining attr outside init.

* Excluded files from being tested by codecov.

* Solved binary sensor error.

* Fixed some stylisation errors.

* Resolved input not updating problem.

* Added port entry to test file.

* Added tests for create_entry.

* Added support for better state management.

* Increased code coverage of config_flow.py & made some tweaks.

* Increased coverage of config_flow.py by adding tests for unknown exceptions.

* A small bugfix.

* Stylised code as per Chris' suggestions.

* Stylised code again.

* Improved quality of test code.

* Added step_id in config flow tests.

homeassistant/generated/config_flows.py

@@ -140,6 +140,7 @@ FLOWS = [
     "point",
     "poolsense",
     "powerwall",
+    "progettihwsw",
     "ps4",
     "pvpc_hourly_pricing",
     "rachio",