Add vsmodinstall-handler

      comment = "Innovate and explore in a sandbox world";

      categories = [ "Game" ];

    })

    (makeDesktopItem {

      name = "vsmodinstall-handler";

      desktopName = "Vintage Story 1-click Mod Install Handler";

      comment = "Handler for vintagestorymodinstall:// URI scheme";

      exec = "vintagestory -i %u";

      mimeTypes = [ "x-scheme-handler/vintagestorymodinstall" ];

      noDisplay = true;

      terminal = false;

    })

  ];

  installPhase = ''