This commit introduces the AGENTS.MD file, which is intended to provide context and instructions for AI agents interacting with this codebase.

The file includes:
- A high-level overview of the project and its technology stack.
- Step-by-step instructions for setting up the backend and frontend development environments.
- A description of the standard development workflow using Docker Compose.
- Commands for running backend and frontend tests.
- Instructions for generating the frontend API client.
- Information on code style and linting with pre-commit.
- A summary of the deployment process.
- A list of key files and directories for easier navigation.