Add alternative nil lsp

.vscode/settings.json

@@ -1,19 +1,20 @@
 {
     // Nix settings
-    "nix.formatterPath": [
-        "nixpkgs-fmt",
-        "nixfmt",
-        "treefmt",
-        "--stdin",
-        "{file}",
-        "nix",
-        "fmt",
-        "--",
-        "-",
-    ],
     "nix.enableLanguageServer": true,
     "nix.serverPath": "nixd",
     "nix.serverSettings": {
+        "nil": {
+            "formatting": {
+                "command": ["nix fmt"]
+            },
+            "nix": {
+                "flake": {
+                    "maxMemoryMB": 16384,
+                    "autoEvalInputs": true,
+                    "nixpkgsInputName": "nixpkgs"
+                }
+            }
+        },
         "nixd": {
             "nixpkgs": {
                 "expr": "(builtins.getFlake \"${workspaceFolder}/flake.nix\").inputs.nixpkgs { }"

flake.nix

@@ -77,6 +77,7 @@
 
       devShell.${system} = nixpkgs.legacyPackages.${system}.pkgs.mkShell {
         packages = with nixpkgs.legacyPackages.${system}.pkgs; [
+          nil
           nixd
         ];
       };