refactor: one eslint task per workspace (#63835)

client/package.json

@@ -30,7 +30,7 @@
     "create:search-placeholder": "tsx ./tools/generate-search-placeholder",
     "predevelop": "pnpm run common-setup && pnpm run build:scripts --env development",
     "develop": "NODE_OPTIONS=\"--max-old-space-size=7168 --no-deprecation\" gatsby develop --inspect=9230",
-    "lint": "tsx ./i18n/schema-validation.ts",
+    "lint": "eslint --max-warnings 0",
     "serve": "gatsby serve -p 8000",
     "serve-ci": "serve -l 8000 -c serve.json public",
     "prestand-alone": "pnpm run prebuild",
@@ -139,6 +139,7 @@
   },
   "devDependencies": {
     "@babel/plugin-syntax-dynamic-import": "7.8.3",
+    "@freecodecamp/eslint-config": "workspace:*",
     "@testing-library/jest-dom": "^6.8.0",
     "@testing-library/react": "12.1.5",
     "@testing-library/react-hooks": "^8.0.1",
@@ -169,6 +170,8 @@
     "babel-plugin-macros": "3.1.0",
     "core-js": "2.6.12",
     "dotenv": "16.4.5",
+    "eslint": "^9.39.1",
+    "eslint-plugin-flowtype": "^8.0.3",
     "gatsby-plugin-webpack-bundle-analyser-v2": "1.1.32",
     "i18next-fs-backend": "2.6.0",
     "joi": "17.12.2",