Rewrite restream (#5106)

* Tear out restream config

* Rework birdseye restream

* Create go2rtc config handler

* Fix bug

* Write start script

* Rework style

* Fix python run syntax

* Output as json instead of yaml

* Put old live config back and fix birdseye references

* Fix camera webUI

* Add frigate env var subsitutions

* Fix webui checks

* Check keys

* Remove unused prest

* Fix tests

* Update restream docs

* Update restream docs

* Update live docs

* Update camera specific recommendation

* Update more docs

* add links for the docs

Co-authored-by: Felipe Santos <felipecassiors@gmail.com>

* Update note about supported audio codecs

* Move restream to go2rtc

* Docs fixes

* Add verification of stream name

* Ensure that webUI uses camera name

* Update docs to reflect new live stream name

* Fix check

* Formatting

* Remove audio from detect

Co-authored-by: Felipe Santos <felipecassiors@gmail.com>

* Fix docs

* Don't handle env variable substitution

* Add go2rtc version

* Clarify docs

Co-authored-by: Felipe Santos <felipecassiors@gmail.com>

docs/docs/configuration/cameras.md

@@ -15,7 +15,6 @@ Each role can only be assigned to one input per camera. The options for roles ar
 | ---------- | ---------------------------------------------------------------------------------------- |
 | `detect`   | Main feed for object detection                                                           |
 | `record`   | Saves segments of the video feed based on configuration settings. [docs](record.md)      |
-| `restream` | Broadcast as RTSP feed and use the full res stream for live view. [docs](restream.md)    |
 | `rtmp`     | Deprecated: Broadcast as an RTMP feed for other services to consume. [docs](restream.md) |
 
 ```yaml
@@ -29,7 +28,7 @@ cameras:
         - path: rtsp://viewer:{FRIGATE_RTSP_PASSWORD}@10.0.10.10:554/cam/realmonitor?channel=1&subtype=2
           roles:
             - detect
-            - rtmp
+            - rtmp # <- deprecated, recommend using restream instead
         - path: rtsp://viewer:{FRIGATE_RTSP_PASSWORD}@10.0.10.10:554/live
           roles:
             - record