Docs for new adriver bidder (#2820)

* Docs for new adriver bidder

* adding quotes around string values

* Update Docs for new adriver bidder (remove parameter "bidfloor")

* adding pbjs flag

won't show up on the site without pbjs: true or pbs: true

Co-authored-by: bretg <bgorsline@gmail.com>

dev-docs/bidders/adriver.md

@@ -0,0 +1,18 @@
+---
+layout: bidder
+title: adriver
+description: Adriver adapter
+biddercode: adriver
+pbjs: true
+bidder_supports_deals: true
+---
+
+
+### Bid Params
+
+{: .table .table-bordered .table-striped }
+| Name          | Scope    | Description                                | Example               | Type      |
+|---------------|----------|--------------------------------------------|-----------------------|-----------|
+| `siteid`      | required | The publisher site ID                      | `216200`              | `integer` |
+| `placementId` | required | Your placement ID (provided by undertone)  | `'55:test_placement'` | `string`  |
+| `dealid`      | optional | Deal ID                                    | `'dealidTest'`        | `string`  |