Add DROP integration (#104319)

* Add DROP integration

* Remove all but one platform for first PR

* Simplify initialization of hass.data[] structure

* Remove unnecessary mnemonic 'DROP_' prefix from DOMAIN constants

* Remove unnecessary whitespace

* Clarify configuration 'confirm' step description

* Remove unnecessary whitespace

* Use device class where applicable

* Remove unnecessary constructor and change its elements to class variables

* Change base entity inheritance to CoordinatorEntity

* Make sensor definitions more concise

* Rename HA domain from drop to drop_connect

* Remove underscores from class and function names

* Remove duplicate temperature sensor

* Change title capitalization

* Refactor using SensorEntityDescription

* Remove unnecessary intermediate dict layer

* Remove generated translations file

* Remove currently unused string values

* Use constants in sensor definitions

* Replace values with constants

* Move translation keys

* Remove unnecessary unique ID and config entry references

* Clean up DROPEntity initialization

* Clean up sensors

* Rename vars and functions according to style

* Remove redundant self references

* Clean up DROPSensor initializer

* Add missing state classes

* Simplify detection of configured devices

* Change entity identifiers to create device linkage

* Move device_info to coordinator

* Remove unnecessary properties

* Correct hub device IDs

* Remove redundant attribute

* Replace optional UID with assert

* Remove redundant attribute

* Correct coordinator initialization

* Fix mypy error

* Move API functionality to 3rd party library

* Abstract device to sensor map into a dict

* Unsubscribe MQTT on unload

* Move entity device information

* Make type checking for mypy conditional

* Bump dropmqttapi to 1.0.1

* Freeze dataclass to match parent class

* Fix race condition in MQTT unsubscribe setup

* Ensure unit tests begin with invalid MQTT state

* Change unit tests to reflect device firmware

* Move MQTT subscription out of the coordinator

* Tidy up initializer

* Move entirety of MQTT subscription out of the coordinator

* Make drop_api a class property

* Remove unnecessary type checks

* Simplify some unit test asserts

* Remove argument matching default

* Add entity category to battery and cartridge life sensors

homeassistant/generated/config_flows.py

@@ -111,6 +111,7 @@ FLOWS = {
         "doorbird",
         "dormakaba_dkey",
         "dremel_3d_printer",
+        "drop_connect",
         "dsmr",
         "dsmr_reader",
         "dunehd",