API Completeness - Teams - Projects and Repositories

[peterinnesmsft]

In relation to #70, contributing the following additional Teams APIs:

• [x] List team repositories
• [x] Check team permissions for a repository
• [x] Add or update team repository permissions
• [x] Remove a repository from a team
• [x] List team projects
• [x] Check team permissions for a project
• [x] Add or update team project permissions
• [x] Remove a project from a team

[peterinnesmsft]

@HowardWolosky apologies if this was created with the wrong labels - feel free to correct as necessary.