As a user I can follow other users so that I can connect with people from work/school/etc or be motivated by other people by seeing how many tasks they have completed.
Acceptance Criteria
[ ] When I am signed in, then I have the option to search for other users
[ ] When I view a user's profile, then I have the option to follow them
[ ] When I have followed a user, then I am able to see their profile and how many tasks they have completed
Acceptance Criteria
Epic: #10