MLE-24489 - Moving the docker file

[BillFarber]

No description provided.

[Copilot]

Pull Request Overview

This PR moves the Docker setup from a subdirectory to the repository root, updating references throughout the codebase to reflect the new file structure. This change simplifies the project structure by consolidating Docker configuration at the top level.

• Updates docker-compose.yml volume paths to reference ./test-app/docker/ instead of ./docker/
• Modifies CONTRIBUTING.md documentation to reflect the new Docker file location in the repository root
• Updates Gradle command references to target the test-app module specifically

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
docker-compose.yml	Updates volume mount paths to reference the relocated docker directory under test-app
CONTRIBUTING.md	Updates documentation to reflect docker-compose.yml now being in repository root with adjusted commands

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}