Add endpoint for checking CRSId

Description

Add initial endpoint that accepts a CRSId and returns true or false whether the CRSId is a member of the devops Wilson team.

Further details

API should be versioned, beginning at v1alpha1.

Data to determine institution membership is determined without external requests. For this issue, the team membership is stored in the application's database - initialised using a test factory.

Endpoint should not require authentication.

Task list

Acceptance criteria

• Endpoint accepting CRSId and returning JSON indicating whether CRSId is a member of Wilson team exists.
• YAML file with API specification generated.

Links/references