chore: replace eslint with biome (#14263)

.vscode/extensions.json

@@ -9,7 +9,7 @@
     "zxh404.vscode-proto3",
     "redhat.vscode-yaml",
     "streetsidesoftware.code-spell-checker",
-    "dbaeumer.vscode-eslint",
-    "EditorConfig.EditorConfig"
+    "EditorConfig.EditorConfig",
+    "biomejs.biome"
   ]
 }

.vscode/settings.json

@@ -190,7 +190,6 @@
       }
     ]
   },
-  "eslint.workingDirectories": ["./site"],
   "search.exclude": {
     "**.pb.go": true,
     "**/*.gen.json": true,
@@ -224,5 +223,16 @@
   // with VS Code.
   "typescript.tsdk": "./site/node_modules/typescript/lib",
   // Playwright tests in VSCode will open a browser to live "view" the test.
-  "playwright.reuseBrowser": true
+  "playwright.reuseBrowser": true,
+
+  "[javascript][javascriptreact][json][jsonc][typescript][typescriptreact]": {
+    "editor.defaultFormatter": "biomejs.biome"
+    // "editor.codeActionsOnSave": {
+    //   "source.organizeImports.biome": "explicit"
+    // }
+  },
+
+  "[css][html][markdown][yaml]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  }
 }