Place the plugin files in a folder on the host and add the following to your docker create/run -v /plugin/path/on/host:/usr/share/webapps/rutorrent/plugins/yourplugin/, that way your plugin files on the host will be mapped to that location in the image
Thanks, team linuxserver.io
Solved:
Place the plugin files in a folder on the host and add the following to your docker create/run -v /plugin/path/on/host:/usr/share/webapps/rutorrent/plugins/yourplugin/, that way your plugin files on the host will be mapped to that location in the image