Mesa Description

This PR lays the foundational groundwork for the new API server. It sets up the basic server structure, including the main application entrypoint, configuration, and a health check endpoint. This initial setup is crucial for enabling future development of specific API functionalities.

Key changes include:

• API Server: Introduced the core HTTP server in cmd/api.
• Health Check: Added a /health endpoint for monitoring.
• Configuration: Implemented initial configuration handling.
• Dependency Injection: Set up wire for dependency management.
• OpenAPI Spec: Included the initial openapi.yaml to define the API contract.

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