curl --request GET \
  --url https://api.onset.io/v1/milestones \
  --header 'Authorization: Bearer <token>'

[
  {
    "id": "<string>",
    "title": "<string>",
    "body": "<string>",
    "slug": "<string>",
    "status": "<string>",
    "stage": "<string>",
    "is_public": true,
    "upvote_count": 123,
    "project": {
      "id": "<string>",
      "name": "<string>",
      "slug": "<string>"
    },
    "labels": [
      {
        "id": "<string>",
        "name": "<string>",
        "slug": "<string>",
        "color": "<string>"
      }
    ],
    "attachments": [
      {
        "type": "FILE",
        "content": {
          "title": "<string>",
          "url": "<string>",
          "size": 123,
          "type": "<string>"
        },
        "id": "<string>"
      }
    ],
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
]