feat: BE - Create GET /cafes route based on user selections.

[pablisch]

Will require the Cafes Model to be complete. req.body tied in with FE form submission API request but it does not much matter which comes first. A draft route would be fine until the FE form is complete. We are using a Model, Routes and Controller layout. The directories are already in place.

[pablisch]

What can currently be done has been done and is merged into main. The remaining work depends on receiving a location. This could be done using dummy data in place of the data that will actually be received, however, it makes sense to be sure of the format of the location that will be received before continuing.

What remains to be done:

• [x] work out how to compare user location with db locations and return the correct cafes.
• [x] implement in controller function including the distance from the user location.

NOTE: If the distance is returned here, it will be static. Should we be doing this dynamically in the frontend?

[pablisch]

Curiosity killed the cat and made me use provisional location data.