ucfunnel adapter docs add prebid-server params (#3263)

* Add instream video and native support for ucfunnel adapter

* [Dev Fix]add download.md && overview/analytics.md

* ucfunnel adapter  support schain, coppa, tcf2

* ucfunnel adapter docs add pbs_app_supported and gvl_id

* ucfunnel adapter docs add prebid-server params

Co-authored-by: Ryan Chou <ryanchou0210@gmail.com>
Co-authored-by: cliff_liu <cliff5345179@gmail.com>

dev-docs/bidders/ucfunnel.md

@@ -15,7 +15,9 @@ gvl_id: 607
 pbs_app_supported: true
 ---
 
-### Bid params
+### Prebid JS
+
+#### Bid params
 
 {: .table .table-bordered .table-striped }
 | Name   | Scope    | Description                                     | Example | Type     |
@@ -46,3 +48,16 @@ Sizes set in the `adUnit` object will also apply to the ucfunnel bid requests.
   - [Banner Ads](https://cdn.aralego.net/ucfad/test/ucfunnel/compliance/pbjs_banner.html)
   - [Instream Video Ads](https://cdn.aralego.net/ucfad/test/ucfunnel/compliance/pbjs_video.html)
   - [Native Ads](https://cdn.aralego.net/ucfad/test/ucfunnel/compliance/pbjs_native.html)
+
+
+### Prebid server
+
+#### Bid params
+
+{: .table .table-bordered .table-striped }
+| Name   | Scope    | Description                                     | Example | Type     |
+|--------|----------|-------------------------------------------------|---------|----------|
+| `adunitid` | required | ID for ad unit |         | `string` |
+| `partnerid` | required | ID for partner |         | `string` |
+
+```