refactor: generate and use Supabase TypeScript types

Co-authored-by: Moheeb Zara <1184415+virgilvox@users.noreply.github.com>

lib/supabase/admin.ts

@@ -1,4 +1,5 @@
 import { createClient } from '@supabase/supabase-js'
+import type { Database } from '@/types/database'
 
 /**
  * Admin client using the service role key.
@@ -6,7 +7,7 @@ import { createClient } from '@supabase/supabase-js'
  * NEVER expose this client to the browser.
  */
 export function createAdminClient() {
-  return createClient(
+  return createClient<Database>(
     process.env.NEXT_PUBLIC_SUPABASE_URL!,
     process.env.SUPABASE_SERVICE_ROLE_KEY!,
     {