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/server/api/stats.get.ts

@@ -0,0 +1,16 @@
+export default defineEventHandler(async (event) => {
+  await requireSession(event)
+  await ensureBootstrap()
+
+  const [userCount, repositories] = await Promise.all([
+    prisma.user.count(),
+    listRepositories().catch(() => [] as string[]),
+  ])
+
+  return {
+    users: userCount,
+    repositories: repositories.length,
+    authPublicUrl: process.env.AUTH_PUBLIC_URL || '',
+    registryInternalUrl: process.env.REGISTRY_INTERNAL_URL || '',
+  }
+})