Fix build based on vuejs/docs

Author: sfreytag

netlify.toml

@@ -1,7 +1,6 @@
 [build.environment]
   NODE_VERSION = "16"
-  NPM_FLAGS = "--version" # prevent Netlify npm install
 
 [build]
   publish = ".vitepress/dist"
-  command = "npx pnpm i --store=node_modules/.pnpm-store && npm run build"
+  command = "pnpm run build"

package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "dev": "vitepress",
     "build": "vitepress build",
-    "serve": "vitepress serve"
+    "serve": "vitepress serve",
+    "preinstall": "npx only-allow pnpm"
   },
   "keywords": [],
   "author": "",