update r2 config for enchunCMS email adapter

apps/backend/package.json

@@ -23,8 +23,10 @@
     "test:int": "cross-env NODE_OPTIONS=--no-deprecation vitest run --config ./vitest.config.mts"
   },
   "dependencies": {
+    "@opennextjs/cloudflare": "^1.10.1",
     "@payloadcms/admin-bar": "3.56.0",
     "@payloadcms/db-mongodb": "3.56.0",
+    "@payloadcms/email-resend": "^3.59.1",
     "@payloadcms/live-preview-react": "3.56.0",
     "@payloadcms/next": "3.56.0",
     "@payloadcms/payload-cloud": "3.56.0",
@@ -34,7 +36,7 @@
     "@payloadcms/plugin-search": "3.56.0",
     "@payloadcms/plugin-seo": "3.56.0",
     "@payloadcms/richtext-lexical": "3.56.0",
-    "@payloadcms/storage-r2": "^3.59.1",
+    "@payloadcms/storage-s3": "^3.59.1",
     "@payloadcms/ui": "3.56.0",
     "@radix-ui/react-checkbox": "^1.0.4",
     "@radix-ui/react-label": "^2.0.2",
@@ -56,7 +58,8 @@
     "react-hook-form": "7.45.4",
     "sharp": "0.34.2",
     "tailwind-merge": "^2.3.0",
-    "tailwindcss-animate": "^1.0.7"
+    "tailwindcss-animate": "^1.0.7",
+    "wrangler": "^4.42.2"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.2.0",