Ecowitt integration (#77441)

* Add ecowitt integration

* add tests

* use total

* use total

* test coverage

* Update homeassistant/components/ecowitt/__init__.py

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>

* Update homeassistant/components/ecowitt/binary_sensor.py

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>

* Update homeassistant/components/ecowitt/entity.py

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>

* Update homeassistant/components/ecowitt/diagnostics.py

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>

* add to async_on_unload

* remove attr_name / unload callback

* support unload platforms

* using replace

* address mapping

* update type

* mark final

* Apply suggestions from code review

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Fix bracket

* Fix another bracket

* Address comment

* Add strings

* update tests

* Update homeassistant/components/ecowitt/strings.json

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* update text

* Update homeassistant/components/ecowitt/strings.json

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

homeassistant/generated/config_flows.py

@@ -90,6 +90,7 @@ FLOWS = {
         "eafm",
         "ecobee",
         "econet",
+        "ecowitt",
         "efergy",
         "eight_sleep",
         "elgato",