chore: fix eslint vscode setup

.vscode/settings.json

@@ -3,7 +3,10 @@
     "*.css": "postcss"
   },
 
-  // Disable the default formatter
+  // Enable the ESlint flat config support
+  "eslint.experimental.useFlatConfig": true,
+
+  // Disable the default formatter, use eslint instead
   "prettier.enable": false,
   "editor.formatOnSave": false,
 
@@ -26,10 +29,7 @@
     { "rule": "*semi", "severity": "off" }
   ],
 
-  // The following is optional.
+  // Enable eslint for all supported languages
-  // It's better to put under project setting `.vscode/settings.json`
-  // to avoid conflicts with working with different eslint configs
-  // that does not support all formats.
   "eslint.validate": [
     "javascript",
     "javascriptreact",