- add Spring Boot banner with build and git metadata
- import build-info and git properties for gateway and web services
- add build info environment post processor
- align docker startup commands with build-info location
- unify internal Maven module versions with revision/project.version
- Add Flyway configuration in `application-database.yml`
- Remove `Ddl` classes from `web-file` and `web-system` modules
- Update `pom.xml` to include Flyway dependencies
- Refactor database migration scripts to follow Flyway-compatible naming and structure