Initialise API project from FastAPI boilerplate

Description

Using the FastAPI boilerplate, initialise this repository into a basic "hello world" state.

Further details

Task list

Acceptance criteria

• All required project files exist
• Gitlab pipeline runs
  • Tests
  • Pre-commit
  • Standard security scanning
  • Pushes built container to registry

Links/references

https://gitlab.developers.cam.ac.uk/uis/devops/fastapi-boilerplate