bubbles/iso_configs/desktop_base/joy-theme/wallpaper/metadata.json

{
    "KPlugin": {
        "Name": "Joy",
        "Name[fr]": "Joie",
        "Id": "Joy",
        "License": "GPLv2+",
        "Authors": [
            {
                "Name": "Adrien Aubourg",
                "Email": "adrien.aubourg@gmail.com"
            }
        ]
    }
}