Add support for HomeKit (#12488)

* Basic Homekit support

* Added Temperatur Sensor
* Added Window Cover

* Code refactored

* Added class HomeAccessory(Accessory)
* Added class HomeBridge(Bridge)
* Changed homekit imports to relative, to enable use in custom_components
* Updated requirements
* Added docs
* Other smaller changes

* Changed Homekit from entity to class

* Changes based on feedback
* Updated config schema
* Add only covers that support set_cover_position

* Addressed comments, updated to pyhap==1.1.5

* For lint: added files to gen_requirements_all
* Added codeowner

* Small change to Wrapper classes

* Moved imports to import_types, small changes

* Small changes, added tests

* Homekit class: removed add_accessory since it's already covered by pyhap
* Added test requirement: HAP-python
* Added test suit for homekit setup and interaction between HA and pyhap
* Added test suit for get_accessories function

* Test bugfix

* Added validate pincode, tests for cover and sensor types

script/gen_requirements_all.py

@@ -47,6 +47,7 @@ TEST_REQUIREMENTS = (
     'evohomeclient',
     'feedparser',
     'gTTS-token',
+    'HAP-python',
     'ha-ffmpeg',
     'haversine',
     'hbmqtt',
@@ -92,6 +93,9 @@ TEST_REQUIREMENTS = (
 
 IGNORE_PACKAGES = (
     'homeassistant.components.recorder.models',
+    'homeassistant.components.homekit.accessories',
+    'homeassistant.components.homekit.covers',
+    'homeassistant.components.homekit.sensors'
 )
 
 IGNORE_PIN = ('colorlog>2.1,<3', 'keyring>=9.3,<10.0', 'urllib3')