Create backfill

curl --request POST \
  --url 'http://localhost:6789/api/pipelines/example_pipeline/backfills' \
  --header 'OAUTH-TOKEN=some_really_long_string' \
  --header 'X-API-KEY: zkWlN0PkIKSN0C11CfUHUj84OT5XOJ6tDZ6bDRO2' \
  --data '{
    "backfill": {
      "name": "fire wind"
    }
  }'

{
  "backfill": {
    "id": 10,
    "block_uuid": null,
    "completed_at": null,
    "created_at": "2023-04-01 01:02:18.411997+00:00",
    "end_datetime": null,
    "failed_at": null,
    "interval_type": null,
    "interval_units": null,
    "metrics": null,
    "name": "fire wind",
    "pipeline_schedule_id": null,
    "pipeline_uuid": "example_pipeline",
    "start_datetime": null,
    "started_at": null,
    "status": null,
    "updated_at": "2023-04-01 01:02:18.411997+00:00",
    "variables": null
  }
}