Readme updates

README.md

@@ -280,3 +280,47 @@ docker-compose up
 13. As long as you've got your Invidious instance running in Docker Desktop, then this local video server will work and should be SUPER FAST. Enjoy :)
 
 Note: If you want to turn this off, go to https://www.youtube.com/?goodtube_local=false in your browser. You only need to do this once, the setting will be remembered.
+
+
+## (Optional) Add custom video servers
+
+This is for advanced users only and allows you to add your own servers to the list.
+
+** To add a custom video server **
+Visit `https://www.youtube.com` with the following GET params:
+
+```
+goodtube_customserver_0_name=My custom server
+goodtube_customserver_0_type=2
+goodtube_customserver_0_proxy=true
+goodtube_customserver_0_url=https://mycustomserver.com
+```
+
+For example:
+`https://www.youtube.com?goodtube_customserver_0_name=My custom server&goodtube_customserver_0_type=2&goodtube_customserver_0_proxy=true&goodtube_customserver_0_url=https://myawesomeserver.com`
+
+You can do this for up to 10 servers. Just change the `0` to `1`, `2`, `3` and so on. Example:
+`goodtube_customserver_0_name` is the first server
+`goodtube_customserver_1_name` is the second server
+
+You only need to do this once. It will remember the setting until you disable it.
+
+** To remove a custom video server **
+Visit youtube.com with the following GET param:
+`https://youtube.com?goodtube_customserver_0=false`
+
+** Server options **
+Name:
+The name of the server
+
+Type:
+1 = Invidious, 360p only
+2 = Invidious, DASH stream - all qualities
+3 = Piped - all qualities
+
+Proxy:
+true = Proxy all video traffic through the server (recommended)
+false = Do NOT proxy traffic through the server (not recommended)
+
+URL:
+The web address of the server. Make sure this does not have a trailing slash. An example might be `https://myawesomeserver.com`