feat(setup): add initial setup wizard for admin account and SMTP configuration

shop/app/page.tsx

@@ -1,9 +1,15 @@
 import { createClient } from '@/lib/supabase/server'
 import { HomeClient } from '@/components/HomeClient'
+import { isSetupNeeded } from '@/lib/actions/setup'
+import { redirect } from 'next/navigation'
 
 export const dynamic = "force-dynamic"
 
 export default async function Home() {
+  if (await isSetupNeeded()) {
+    redirect('/setup')
+  }
+
   let user = null
   try {
     const supabase = await createClient()