Restore VS Code extension DocCard while keeping requirements.txt references removed

- Restored VS Code extension DocCard that was inadvertently removed
- All other DocCards remain preserved as requested
- Requirements.txt documentation stays removed as intended

Co-authored-by: Pyra <pyranota@users.noreply.github.com>

Author: claude[bot]

docs/advanced/15_dependencies_in_python/index.mdx

@@ -88,6 +88,11 @@ When a lockfile is present alongside a script at time of deployment by the CLI,
 		description="Develop locally, push to git and deploy automatically to Windmill."
 		href="/docs/advanced/local_development"
 	/>
+	<DocCard
+		title="VS Code extension"
+		description="Build scripts and flows in the comfort of your VS Code editor, while leveraging Windmill UIs for test & flows edition."
+		href="/docs/cli_local_dev/vscode-extension"
+	/>
 </div>