Update doc file for TrustX (#2846)
Update doc file for TrustX (#2846)

* Add TrustX dev-doc

* Update trustx.md

* Update doc file for TrustX Bid Adapter to mark that adapter support gdpr

* Update doc file for TrustX Bid Adapter

* Update TrustX doc file

* Update TrustX doc file

* Update doc for TrustX Bid Adapter
prebid/prebid.github.io,prebid/prebid.github.io,prebid/prebid.github.io