I would really like a Webhook trigger for "Content Added".  I currently have to keep my Plex server up and running for Tautulli integration so that I can send a webhook announcement through integromat for a facebook group post when new content is added.  Tautulli has the option to delay the hook for 3-4 minutes while the library scan happens, this is especially useful when adding multiple episodes or seasons and works for TV as follows 1 Episode added, it sends the trakt.tv link and image for j