Create get all applications endpoint

[chromium-52]

Background

Recruiters and admins should be able to see all applications submitted in the current cycle. This will be helpful for the frontend where recruiters and admins can filter by unreviewed applications and get an overview of all applicants.

Task

Add a new endpoint that allows recruiters and admins to get all applications for the current cycle.

Request Schema

GET /apps

Response Schema

{
  "applications": GetApplicationResponseDTO[]
}

where GetApplicationResponseDTO is defined here and can be created from an Application entity using the function here.

200 OK

If the applications were retrieved successfully.

401 Unauthorized

If the calling user is not a recruiter or admin.