Boldwin Adapter: gpp support (prebid#4837)

* new boldwin bid adapter

* update media_types

* fix

* add prebid server adapter

* added boldwin endpointId param

* updates

* add gpp support

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Co-authored-by: Aiholkin <artem.iholkin@smartyads.com>

Author: Wls-demo

dev-docs/bidders/boldwin.md

@@ -7,6 +7,7 @@ pbs: true
 biddercode: boldwin
 gvl_id: 1151
 tcfeu_supported: true
+gpp_supported: true
 media_types: banner, video, native
 sidebarType: 1
 ---