Milestone
| Operation | Http Method | End Point |
| Get | GET | /milestones/{milestoneId} |
| Create Or Update | POST | /milestones |
| Delete | DELETE | /milestones/{milestoneId} |
| Operation | Http Method | End Point |
| Get | GET | /milestones/{milestoneId} |
| Create Or Update | POST | /milestones |
| Delete | DELETE | /milestones/{milestoneId} |