Get inactive campaigns from maker

[fabricioflores]

this closes #109 request:

{
    myInactiveCampaigns{
    campaigns{
      id
      startAt
    }
    totalCount
  }
}

response

{
  "data": {
    "myInactiveCampaigns": {
      "campaigns": [],
      "totalCount": 0
    }
  }
}