JellyFin Youtube Trailers

I see in the documents that JellyFin offers youtube trailers for movies?

https://jellyfin.org/docs/general/clients/web-config.html

How do you get them working? I do not see them in my plugins.

Thanks

/usr/share/jellyfin/web/config.json

{
  "includeCorsCredentials": false,
  "multiserver": false,
  "themes": [
    {
      "name": "Apple TV",
      "id": "appletv"
    }, {
      "name": "Blue Radiance",
      "id": "blueradiance"
    }, {
      "name": "Dark",
      "id": "dark",
      "default": true
    }, {
      "name": "Light",
      "id": "light"
    }, {
      "name": "Purple Haze",
      "id": "purplehaze"
    }, {
      "name": "WMC",
      "id": "wmc"
    }
  ],
  "servers": [],
  "plugins": [
    "playAccessValidation/plugin",
    "experimentalWarnings/plugin",
    "htmlAudioPlayer/plugin",
    "htmlVideoPlayer/plugin",
    "photoPlayer/plugin",
    "comicsPlayer/plugin",
    "bookPlayer/plugin",
    "youtubePlayer/plugin",
    "backdropScreensaver/plugin",
    "pdfPlayer/plugin",
    "logoScreensaver/plugin",
    "sessionPlayer/plugin",
    "chromecastPlayer/plugin"
  ]
}

It is enabled

It is my config as well and I see now that it works…Just not in my Amazon Fire Stick App. Thanks for the clarifiaction.