docs(plex): plug-ins codeserver notes update (#11068)

charts/stable/plex/docs/installation_notes.md

@@ -30,9 +30,29 @@ Keep in mind that emptyDir's memory counts against the resources defined.
 
 ## Require HTTPS
 
-![Plex App Config](img/Plex-App-Config.png)
+![Plex App Config](./img/Plex-App-Config.png)
 
 - This option cannot be enabled until initial plex setup is complete and remote access is enabled and functioning as shown below.
 
 ![remote access](./img/plex-remote-access.png)
 
+## Plug-ins
+
+Plex allows for the installation of plug-ins. Plug-ins can be added using the codeserver addon.
+
+1. Enable the codeserver addon in Plex application configuration.
+
+![codeserver-addon](./img/plex-codeserver-addon.png)
+
+2. Access codeserver using the previously configured port (ie. http://192.168.1.2:36107).
+
+3. Browse to the plug-ins folder in codeserver.
+
+![codeserver-browse](./img/plex-codeserver-browse.png)
+
+4. Upload plugins.
+
+![codeserver-upload](./img/plex-codeserver-upload.png)
+
+5. Restart Plex
+