Yieldlab: Update size handling (#2575)
Yieldlab: Update size handling (#2575)

* Add Supply Chain Support to Docs

* Change adSize param to optional

Co-authored-by: Mirko Feddern <885986c5e992b3e2660e0e992a4b9e6ad93022b8@yieldlab.de>
prebid/prebid.github.io,prebid/prebid.github.io,prebid/prebid.github.io