Add Docker Registry AIO with Nuxt Token Auth and admin UI.

Compose brings up registry:3 plus a Prisma/SQLite Nuxt app for docker login, ACL management, and image browsing with shadcn-vue.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/docker-entrypoint.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+set -eu
+
+mkdir -p /data
+
+if [ -z "${DATABASE_URL:-}" ]; then
+  export DATABASE_URL="file:/data/registry-aio.db"
+fi
+
+echo "Running prisma migrate deploy..."
+./node_modules/.bin/prisma migrate deploy
+
+echo "Starting Nuxt..."
+exec node .output/server/index.mjs