- Add GET /ready endpoint that checks database connection
- Returns 200 'ready' when connected, 503 when not
- Update Routes to require DataSource dependency
- Provide dataSourceLayer in Main.scala
- Use 'hikari' prefix for HikariCP config to avoid ZIO config conflict
- HealthRoutes with GET /health returning 'ok'
- Routes composition point for all route modules
- Main extends ZIOAppDefault with HOCON config
- ASCII sun banner with SUMMERCMS branding
- Server reads port from application.conf