This PR adds a `GET /models` endpoint to the LLM service.
This endpoint returns the models that the authenticated user has access
to.
This is the first step towards populating the models for the hosted
service from the server.
Release Notes:
- N/A
This PR reworks how we do checks for model names in the LLM service.
We now normalize the model names using the models defined in the
database.
Release Notes:
- N/A
This PR puts the initial infrastructure for the LLM service's database
in place.
The LLM service will be using a separate Postgres database, with its own
set of migrations.
Currently we only connect to the database in development, as we don't
yet have the database setup for the staging/production environments.
Release Notes:
- N/A
