feat: add support for VSCode and roo-cline extension

Introduce VSCode configuration and integrate roo-cline extension. This includes adding roo-cline to vscode extensions and setting up metadata for its marketplace details.

systems/x86_64-linux/x1/default.nix

@@ -86,6 +86,17 @@ with lib.metacfg;
     claude-desktop-with-fhs
     goose-cli
     aider-chat
+    #vscode
+    (vscode-with-extensions.override {
+      vscodeExtensions = with vscode-extensions; [
+        rooveterinaryinc.roo-cline
+        rust-lang.rust-analyzer
+        github.copilot
+        ms-python.python
+        ms-azuretools.vscode-docker
+        ms-vscode-remote.remote-ssh
+      ];
+    })
   ];
 
   zramSwap.enable = true;