Create trafficroots.md (#936)

Bid Adapter Parameters for new adapter submission - trafficrootsBidAdapter.js

dev-docs/bidders/trafficroots.md

@@ -0,0 +1,20 @@
+---
+layout: bidder
+title: Trafficroots
+description: Prebid Trafficroots Bidder Adapter
+top_nav_section: dev_docs
+nav_section: reference
+hide: true
+biddercode: trafficroots
+biddercode_longer_than_12: false
+prebid_1_0_supported : true
+gdpr_supported: true
+---
+
+### bid params
+
+{: .table .table-bordered .table-striped }
+| Name          | Scope    | Description                                | Example                                     | Type     |
+|---------------|----------|--------------------------------------------|---------------------------------------------|----------|
+| `zoneId`      | required | The Trafficroots zone ID                   | `'aa0444af31'`                              | `string` |
+| `deliveryUrl` | optional | The bid endpoint (might be used for debug) | `'https://service.trafficroots.com/prebid'` | `string` |