Create ClubsInterestsCollection

Please do work for this task in a branch named issue-23.

Create ClubsInterestsCollection using ProjectsInterestsCollection as a reference.
Since we want clubs to belong to certain interest areas, that requires a collection of interests for each club Must include
Define the Mongo collection.
Define the structure of each document in the collection.
Ensure collection documents obey schema.
Define names for publications and subscriptions.

clubmeetup / club-meetup-app