Jellyfin
The url is the domain to your jellyfin instance. It needs to include http or https in front of the url for it to work properly!
"url": "http://192.168.1.2:8096"
"url": "https://jellyfin.example.com"
The api key is how the program interacts with Jellyfin, this can usually be found at for example https://jellyfin.example.com/web/index.html#!/apikeys.html replace jellyfin.example.com with your actual url.
"api_key": "e35de1b6507447a5ace74cc5a519e3d5"
The username variable supports both strings and arrays, this is in-case you have multiple users that you use.
"username": "myuser"
"username": ["myuser", "myotheruser"]
If you're using a self signed certificate for HTTPS connections then you need to enable them in the config file
"self_signed_cert": true
"self_signed_cert": false