- Introduced `igny8_sites` service in `docker-compose.app.yml` for serving deployed public sites.
- Updated `SitesRendererAdapter` to construct deployment URLs dynamically based on environment variables.
- Added `SiteDefinitionView` to provide a public API endpoint for retrieving deployed site definitions.
- Enhanced `loadSiteDefinition` function to prioritize API calls for site definitions over filesystem access.
- Updated frontend to utilize the new API endpoint for loading site definitions.