build: Add build command for dev docs on vercel (#10890)

Author: Luca Forstner

package.json

@@ -19,6 +19,7 @@
     "dev:developer-docs": "yarn enforce-redirects && NEXT_PUBLIC_DEVELOPER_DOCS=1 yarn dev",
     "build:developer-docs": "yarn enforce-redirects && git submodule init && git submodule update && NEXT_PUBLIC_DEVELOPER_DOCS=1 yarn build",
     "build": "yarn enforce-redirects && prisma generate && next build",
+    "vercel:build:developer-docs": "rm -r app/changelog && yarn enforce-redirects && git submodule init && git submodule update && NEXT_PUBLIC_DEVELOPER_DOCS=1 yarn build",
     "start": "next start",
     "migrate:dev": "dotenv -e .env.development -- yarn prisma migrate reset",
     "lint": "next lint",