Advanced I/O: Files and Background Tasks

Create an endpoint that accepts an image upload using `UploadFile`

Perform basic validation on an uploaded file, such as checking its content type

Modify an ML endpoint to accept an image, preprocess it, and run inference

Use `BackgroundTasks` to run a non-critical task (e.g., logging a prediction) after a response is sent

Distinguish between synchronous and asynchronous route handlers and choose appropriately for I/O-bound tasks