### GET request to example server
PUT http://localhost:8080/projects/1
Authorization: Bearer {{auth_token}}
Content-Type: application/json

{
  "name": "newName",
  "leading_employee": 2,
  "employees": [],
  "contractor": 9,
  "contractor_name": "New Contractor name",
  "comment": "new goal of project",
  "start_date": "01.01.2010",
  "planned_end_date": "01.01.2021"
}