docs: set pnpm version in engine

Author: atinux

docs/package.json

@@ -15,11 +15,9 @@
     "@nuxt/content": "^2.12.1",
     "@nuxt/fonts": "^0.7.0",
     "@nuxt/image": "^1.7.0",
-    "@nuxt/ui": "^2.15.2",
     "@nuxt/ui-pro": "^1.2.0",
     "@nuxthq/studio": "^1.0.15",
     "@nuxtjs/plausible": "^1.0.0",
-    "@nuxtjs/tailwindcss": "^6.12.0",
     "@vueuse/core": "^10.9.0",
     "@vueuse/nuxt": "^10.9.0",
     "medium-zoom": "^1.1.0",

package.json

@@ -3,6 +3,10 @@
   "private": false,
   "version": "0.5.16",
   "description": "Build full-stack Nuxt applications on Cloudflare, with zero configuration.",
+  "engines": {
+    "node": ">=20",
+    "pnpm": ">=9"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/nuxt-hub/core.git"