feat: initial server skeleton

[abhiaagarwal]

Contains the initial skeleton for server code. Only does routing, the business logic are left purposefully empty.

The goal with the Utoipa annotations is to have docs+code in the same place and to eventually host a swagger UI built as part of the build process.

[abrassel]

This looks like a great approach! Before we move forward, I'd like to reach a conclusion about where and how we will build our data models.

If we use prost to generate them from protobuf, I would prefer we migrate the models before we depend on them in the server.

[abhiaagarwal]

@abrassel absolutely, let me mark as a draft until we have a more concrete plan

[roeap]

If we use prost to generate them from protobuf

Personally I am a big fan of protobuf to generate types, and it seems mlflow and others do this too. Right now I am re-writing delta-sharing-rs to take the same approach.

This is actually how I ended up here, since we have a need for a catalog api there as well and I wanted it to loom similar. So in case there is any help wanted in getting some protobuf type generation started - happy to help :).

[abrassel]

Hey @roeap ! Id recommend checking out the discussion we have open on this topic. I'm personally also partial to protobuf generation. If you wanted to write the protobuf definition it would be very helpful for the rust client I'm currently working on.

Do we have an existing protobuf definition in any of the sister projects?

[roeap]

@abrassel - thanks, will do!

speaking of clients, I just opened #15 :).