When loading plugins from the profile plugins directory, Joplin will look at the following locations:
plugins/PLUGIN_ID.jsplugins/PLUGIN_ID/index.jsplugins/PLUGIN_ID/dist/index.js- Any directory or file that starts with "_" will be excluded. This can be used to disable a plugin without having to delete it from the directory.
PLUGIN_ID can be any string but it must be unique.