New fields in Tasks endpoints

Added

POST /contracts/{contract_id}/tasks

We added id and status properties in the response of POST /contracts/{contract_id}/tasks endpoint.

Sample response

{
  "data": {
    "created": true,
    "id": "0d636d0d-a869-4e29-8f64-889869a444d9",
    "status": "approved"
  }
}