Reklamup adapter: Set pbs and pbs_app_supported to true (#6544)

* New adapter reklamup

* New adapter reklamup: Disable pbs and pbs_app_supported

* Reklamup Adapter: set pbs and pbs_app_supported to true

* Reklamup Adapter: Heading levels

---------

Co-authored-by: Reklamup <support@reklamup.com>

Author: prebid-reklamup

dev-docs/bidders/reklamup.md

@@ -16,20 +16,20 @@ media_types: banner, video, native
 multiformat_supported: will-bid-on-one
 userIds: all
 pbjs: true
-pbs: false
-pbs_app_supported: false
+pbs: true
+pbs_app_supported: true
 safeframes_ok: true
 sidebarType: 1
 ---
 
-### Bid Params
+## Bid Params
 
 {: .table .table-bordered .table-striped }
 | Name          | Scope    | Description  | Example                         | Type       |
 |---------------|----------|--------------|---------------------------------|------------|
 | `placementId` | optional | Placement Id | `'0'`                           | `'string'` |
 | `endpointId`  | optional | Endpoint Id  | `'0'`                           | `'string'` |
 
-### Note
+## Note
 
 For the prebid server and prebid.js you only need to use one parameter: either placementId or endpointId