feat(ui): Move PROXY setting to UI (#782)

Users who have set PROXY=yes in their Docker containers will need to configure this setting in the UI and restart the container.

docs/extending-overseerr/fail2ban.md

@@ -1,7 +1,7 @@
 # Fail2ban Filter
 
 {% hint style="warning" %}
-If you are running Overseerr behind a reverse proxy, make sure that the `PROXY` environment variable is set to `yes`.
+If you are running Overseerr behind a reverse proxy, make sure that the **Enable Proxy Support** setting is **enabled**.
 {% endhint %}
 
 To use Fail2ban with Overseerr, create a new file named `overseerr.local` in your Fail2ban `filter.d` directory with the following filter definition:

docs/getting-started/installation.md

@@ -17,7 +17,6 @@ After running Overseerr for the first time, configure it by visiting the web UI
 docker run -d \
   -e LOG_LEVEL=info \
   -e TZ=Asia/Tokyo \
-  -e PROXY=<yes|no> \
   -p 5055:5055 \
   -v /path/to/appdata/config:/app/config \
   --restart unless-stopped \
@@ -33,7 +32,6 @@ docker run -d \
   --user=[ user | user:group | uid | uid:gid | user:gid | uid:group ] \
   -e LOG_LEVEL=info \
   -e TZ=Asia/Tokyo \
-  -e PROXY=<yes|no> \
   -p 5055:5055 \
   -v /path/to/appdata/config:/app/config \
   --restart unless-stopped \