Add: recommendation.

Author: ya7010

.vscode/extensions.json

@@ -6,6 +6,7 @@
     "ms-python.python",
     "ms-python.vscode-pylance",
     "samuelcolvin.jinjahtml",
-    "redhat.vscode-yaml"
+    "redhat.vscode-yaml",
+    "tamasfe.even-better-toml"
   ]
 }