modularize flatpaks

modules/nix/groups/laptop.nix

@@ -32,6 +32,11 @@ in
       thunderbird.enable = true;
       inkscape.enable = true;
       komikku.enable = true;
+      flatpak = {
+        enable = true;
+        dev.enable = true;
+        media.enable = true;
+      };
     };
     services.logind.lidSwitch = "ignore";
   };