Netgear config flow (#54479)

* Original work from Quentame

* Small adjustments

* Add properties and method_version

* fix unknown name

* add consider_home functionality

* fix typo

* fix key

* swao setup order

* use formatted mac

* add tracked_list option

* add options flow

* add config flow

* add config flow

* clean up registries

* only remove if no other integration has that device

* tracked_list formatting

* convert tracked list

* add import

* move imports

* use new tracked list on update

* use update_device instead of remove

* add strings

* initialize already known devices

* Update router.py

* Update router.py

* Update router.py

* small fixes

* styling

* fix typing

* fix spelling

* Update router.py

* get model of router

* add router device info

* fix api

* add listeners

* update router device info

* remove method version option

* Update __init__.py

* fix styling

* ignore typing

* remove typing

* fix mypy config

* Update mypy.ini

* add options flow tests

* Update .coveragerc

* fix styling

* Update homeassistant/components/netgear/__init__.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/__init__.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/__init__.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/config_flow.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/router.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* add ConfigEntryNotReady

* Update router.py

* use entry.async_on_unload

* Update homeassistant/components/netgear/device_tracker.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* use cv.ensure_list_csv

* add hostname property

* Update device_tracker.py

* fix typo

* fix isort

* add myself to codeowners

* clean config flow

* further clean config flow

* deprecate old netgear discovery

* split out _async_remove_untracked_registries

* Update homeassistant/components/netgear/config_flow.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/config_flow.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* cleanup

* fix rename

* fix typo

* remove URL option

* fixes

* add sensor platform

* fixes

* fix removing multiple entities

* remove extra attributes

* initialize sensors correctly

* extra sensors disabled by default

* fix styling and unused imports

* fix tests

* Update .coveragerc

* fix requirements

* remove tracked list

* remove tracked registry editing

* fix styling

* fix discovery test

* simplify unload

* Update homeassistant/components/netgear/router.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* add typing

Co-authored-by: J. Nick Koston <nick@koston.org>

* add typing

Co-authored-by: J. Nick Koston <nick@koston.org>

* add typing

Co-authored-by: J. Nick Koston <nick@koston.org>

* condense NetgearSensorEntities

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/router.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/router.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/router.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* Update homeassistant/components/netgear/router.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* add typing

* styling

* add typing

* use ForwardRefrence for typing

* Update homeassistant/components/netgear/device_tracker.py

Co-authored-by: J. Nick Koston <nick@koston.org>

* add typing

* Apply suggestions from code review

Thanks!

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

* process review comments

* fix styling

* fix devicename not available on all models

* ensure DeviceName is not needed

* Update homeassistant/components/netgear/config_flow.py

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

* Update homeassistant/components/netgear/config_flow.py

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

* Update __init__.py

* fix styling

Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>