Added Mailpit setup and updated Keycloak configuration in local development runbooks. Improved Docker Compose stability with updated service dependencies and configurations. Archived outdated journal entries and documents for better organization.
Enhanced `ping-service` documentation with architectural, implementation, and API details. Added a new journal entry outlining the troubleshooting steps for backend startup issues, including fixes for Dockerfile paths, Gradle build conflicts, and Keycloak pre-build configuration.