Medianet Bid Adapter: added trustedstack bidder alias

[adish1997]

Type of change

• New bidder adapter

Description of change

Adapter alias for trustedstack network.

• contact email of the adapter’s maintainer: [email protected]
• test parameters for validating bids:

{
    bidder: 'trustedstack',
    params: {
      cid: 'TSP7P1YS'
      crid: '708667024'
    }
  }