Refactor Docker Compose file naming to avoid V2 precedence conflict

[devondragon]

Problem

Docker Compose V2 prioritizes compose.yaml over docker-compose.yml, which conflicts with our pattern of using compose.yaml for Spring Boot's Docker Compose integration (dev dependencies only) and docker-compose.yml for the full deployable stack.

Solution

• Rename compose.yaml to compose.dev.yaml (dev dependencies for bootRun)
• Rename docker-compose.yml to compose.yaml (full stack including the app container)
• Update spring.docker.compose.file property to point to compose.dev.yaml
• Update any README or documentation references to the old filenames