Move database and config from homeassistant /config to addon /config (#16337)

* Move database and config from homeassistant /config to addon /config

* Re-implement config migration for the add-on

* Align some terms

* Improve function name

* Use local variables

* Add model.path migration

* Fix homeassistant config path

* Ensure migration scripts run before go2rtc and frigate

* Migrate all files I know

* Add ffmpeg.path migration

* Update docker/main/rootfs/etc/s6-overlay/s6-rc.d/prepare/run

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* Improve some variable names and organization

* Update docs to reflect addon config dir

* Update live.md with /addon_configs

* Move addon config section to configuration doc

* Align several terminologies and improve text

* Fix webrtc example config title

* Capitalize Add-on in more places

* Improve specific add-on config dir docs

* Align bash and python scripts to prefer config.yml over config.yaml

* Support config.json in migration shell scripts

* Change docs to reflect config.yml is preferred over config.yaml

* If previous config was yaml, migrate to yaml

* Fix typo in edgetpu.md

* Fix formatting of Python files

* Remove HailoRT Beta add-on variant from docs

* Add migration for labelmap and certs

* Fix variable name

* Fix new_config_file var unset

* Fix addon config directories table

* Improve db migration to avoid migrating files like .db.bak

* Fix echo location

---------

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

docs/docs/development/contributing.md

@@ -17,15 +17,15 @@ From here, follow the guides for:
 - [Web Interface](#web-interface)
 - [Documentation](#documentation)
 
-### Frigate Home Assistant Addon
+### Frigate Home Assistant Add-on
 
-This repository holds the Home Assistant Addon, for use with Home Assistant OS and compatible installations. It is the piece that allows you to run Frigate from your Home Assistant Supervisor tab.
+This repository holds the Home Assistant Add-on, for use with Home Assistant OS and compatible installations. It is the piece that allows you to run Frigate from your Home Assistant Supervisor tab.
 
 Fork [blakeblackshear/frigate-hass-addons](https://github.com/blakeblackshear/frigate-hass-addons) to your own Github profile, then clone the forked repo to your local machine.
 
 ### Frigate Home Assistant Integration
 
-This repository holds the custom integration that allows your Home Assistant installation to automatically create entities for your Frigate instance, whether you run that with the [addon](#frigate-home-assistant-addon) or in a separate Docker instance.
+This repository holds the custom integration that allows your Home Assistant installation to automatically create entities for your Frigate instance, whether you are running Frigate as a standalone Docker container or as a [Home Assistant Add-on](#frigate-home-assistant-add-on).
 
 Fork [blakeblackshear/frigate-hass-integration](https://github.com/blakeblackshear/frigate-hass-integration) to your own GitHub profile, then clone the forked repo to your local machine.
 
@@ -77,14 +77,14 @@ Create and place these files in a `debug` folder in the root of the repo. This i
 
 #### 4. Run Frigate from the command line
 
-VSCode will start the docker compose file for you and open a terminal window connected to `frigate-dev`.
+VS Code will start the Docker Compose file for you and open a terminal window connected to `frigate-dev`.
 
 - Run `python3 -m frigate` to start the backend.
 - In a separate terminal window inside VS Code, change into the `web` directory and run `npm install && npm run dev` to start the frontend.
 
 #### 5. Teardown
 
-After closing VSCode, you may still have containers running. To close everything down, just run `docker-compose down -v` to cleanup all containers.
+After closing VS Code, you may still have containers running. To close everything down, just run `docker-compose down -v` to cleanup all containers.
 
 ### Testing