Disable account registration for gitea and commento

roles/blog/templates/etc_systemd_system_commento.j2

 Environment=COMMENTO_SMTP_USERNAME=example@gmail.com
 Environment=COMMENTO_SMTP_PASSWORD=hunter2
 Environment=COMMENTO_SMTP_FROM_ADDRESS=no-reply@{{ commento_subdomain }}.{{ domain }}
+Environment=COMMENTO_FORBID_NEW_OWNERS=true
 
 [Install]
 WantedBy=multi-user.target

roles/gitea/templates/etc_gitea_app_ini.j2

 PASSWD = `{{ gitea_db_password }}`
 SSL_MODE = disable
 
+[service]
+DISABLE_REGISTRATION = true
+ENABLE_NOTIFY_MAIL = true
+
 [security]
 INSTALL_LOCK = true
 SECRET_KEY = {{ gitea_secret }}