chore: add eslint vscode extension recommandation (#2120)

it is helpful to have VSCode installing these extensions when start a new workspace.

Author: AllanZhengYP

Diff for: .vscode/extensions.json

@@ -3,7 +3,7 @@
   // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
 
   // List of extensions which should be recommended for users of this workspace.
-  "recommendations": ["esbenp.prettier-vscode"],
+  "recommendations": ["esbenp.prettier-vscode", "dbaeumer.vscode-eslint"],
   // List of extensions recommended by VS Code that should not be recommended for users of this workspace.
   "unwantedRecommendations": []
 }