[SELC-6625] feat: added api to retrieve institutions given a list of ids

[pierpaolodidato89]

List of Changes

• Added api to retrieve institutions given a list of ids
• Added business logic to get data from db and map into a InstitutionResponse object
• Added unit tests for controller and service layers

Motivation and Context

This api will be invoked from BFF to get the institution type for a set of institutions

How Has This Been Tested?

I have run the microservice locally and tested the API POST /v1/institutions, checking the response status code and the elements into list

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.