Pipeline

{
  "_id": String,
  "name": String,
  "pipeline": [ // all stages on pipeline
    {
      "id": String,
      "name": String,
      "icon": String,
      "action_count": Integer,
      "type": String
    } . . .
  ],
  "creation_date": Date,
  "updated_date": Date,
  "type": Enum("position | pool")
}