[user/module/helix] Make sure css lang server works

users/malte/helix.nix

@@ -55,6 +55,13 @@
           args = ["--stdio"];
         };
       }
+      {
+        name = "css";
+        language-server = {
+          command = "${pkgs.nodePackages.vscode-css-languageserver-bin}/bin/css-languageserver";
+          args = ["--stdio"];
+        };
+      }
     ];
   };
 in {