Viewdeos DX adapter doc (#1511)

* viewdeos

* removed unnecessary header rows

* added support for getting sizes from mediaTypes

Author: GeneGenie

dev-docs/bidders/viewdeosDX.md

@@ -0,0 +1,73 @@
+---
+layout: bidder
+title: ViewDeos DX
+description: Prebid ViewDeos Bidder Adaptor
+hide: true
+biddercode: viewdeosDX
+media_types: video
+---
+
+### Bid params
+
+{: .table .table-bordered .table-striped }
+| Name  | Scope    | Description                     | Example  | Type      |
+|-------|----------|---------------------------------|----------|-----------|
+| `aid` | required | The source ID from Adtelligent. | `350975` | `integer` |
+
+
+
+### Test Parameters
+```
+    var adUnits = [
+
+      // Video instream adUnit
+      {
+        code: 'div-test-div',
+        mediaTypes: {
+          video: {
+            playerSize:[640, 480],
+            context: 'instream'
+          }
+        },
+        bids: [{
+          bidder: 'viewdeosDX',
+          params: {
+            aid: 331133
+          }
+        }]
+      },
+
+      // Video outstream adUnit
+      {
+        code: 'outstream-test-div',
+        mediaTypes: {
+          video: {
+            playerSize:[640, 480],
+            context: 'outstream'
+          }
+        },
+        bids: [{
+          bidder: 'viewdeosDX',
+          params: {
+            aid: 331133
+          }
+        }]
+      },
+
+      // Banner adUnit
+      {
+        code: 'div-test-div',
+        mediaTypes: {
+          banner: {
+            sizes:[[300, 250]]
+          }
+        },
+        bids: [{
+          bidder: 'viewdeosDX',
+          params: {
+            aid: 350975
+          }
+        }]
+      }
+    ];
+```