{
  ...
}: {
  programs.firefox.enable = true;
  
  # enable firefox as the default browser, with some extra config
  xdg.mimeApps = {
    enable = true;
    defaultApplications = {
      "x-scheme-handler/discord-409416265891971072" = ["discord-409416265891971072.desktop"];
      "x-scheme-handler/discord-402572971681644545" = ["discord-402572971681644545.desktop"];
      "x-scheme-handler/discord-696343075731144724" = ["discord-696343075731144724.desktop"];
      "x-scheme-handler/http" = ["firefox.desktop"];
      "x-scheme-handler/https" = ["firefox.desktop"];
      "x-scheme-handler/chrome" = ["firefox.desktop"];
      "text/html" = ["firefox.desktop"];
      "application/x-extension-htm" = ["firefox.desktop"];
      "application/x-extension-html" = ["firefox.desktop"];
      "application/x-extension-shtml" = ["firefox.desktop"];
      "application/xhtml+xml" = ["firefox.desktop"];
      "application/x-extension-xhtml" = ["firefox.desktop"];
      "application/x-extension-xht" = ["firefox.desktop"];
    };   
  };
 }