fix: updated env template to be exactly the verified domain

Author: abyss

.env_template

@@ -31,7 +31,7 @@ PGHOST="db"
 SEAWEEDFS_FILER_URL=""
 SEAWEEDFS_BASE_PATH="/bookapp"
 
-# Resend email service
+# Resend email service actual domain verified in resend not the subdomain if not verified.
 RESEND_API_KEY=""
 RESEND_EMAIL=""