Templates now live in Template-Joomla, Template-Generic, and
Template-Dolibarr repos. Removed all references in release.php,
RepositorySynchronizer, and create_project.php.
- Add demo and live to ENV_CONFIG_MAP
- Add multi-target deploy via LIVE_TARGETS env var (JSON array of targets)
- Add sftp-config.demo.json.example and sftp-config.live.json.example templates
- Failed targets logged but don't block remaining deploys