vscode-extensions.gruntfuggly.todo-tree: move to a separate file

pkgs/applications/editors/vscode/extensions/default.nix

@@ -2112,17 +2112,7 @@ let
         };
       };
 
-      gruntfuggly.todo-tree = buildVscodeMarketplaceExtension {
-        mktplcRef = {
-          name = "todo-tree";
-          publisher = "Gruntfuggly";
-          version = "0.0.226";
-          hash = "sha256-Fj9cw+VJ2jkTGUclB1TLvURhzQsaryFQs/+f2RZOLHs=";
-        };
-        meta = {
-          license = lib.licenses.mit;
-        };
-      };
+      gruntfuggly.todo-tree = callPackage ./gruntfuggly.todo-tree { };
 
       hars.cppsnippets = buildVscodeMarketplaceExtension {
         mktplcRef = {

pkgs/applications/editors/vscode/extensions/gruntfuggly.todo-tree/default.nix

@@ -0,0 +1,16 @@
+{
+  lib,
+  vscode-utils,
+}:
+
+vscode-utils.buildVscodeMarketplaceExtension {
+  mktplcRef = {
+    name = "todo-tree";
+    publisher = "Gruntfuggly";
+    version = "0.0.226";
+    hash = "sha256-Fj9cw+VJ2jkTGUclB1TLvURhzQsaryFQs/+f2RZOLHs=";
+  };
+  meta = {
+    license = lib.licenses.mit;
+  };
+}