Add docs (#450)

* Added default reviewers methods

Create standar methods get, create, update and delete conditions (reviewers) for projects and repositories

* Added default reviewers methods 460d69e

Create standar methods get, create, update and delete conditions (reviewers) for projects and repositories

* Complete docs contribution

Complete docs contribution and add two new methods for filter get conditios by type repository or project contidition

Co-authored-by: adribp13 <[email protected]>

Author: gonchik