modules.packages.desktop: enable thunderbird

modules/packages/desktop.nix

@@ -135,6 +135,7 @@ inputs:
       };
       alvr = { enable = true; openFirewall = true; };
       localsend.enable = true;
+      thunderbird.enable = true;
     };
     services = { pcscd.enable = true; lact.enable = true; };
   };