OpenWeb adapter refactoring (prebid#11115)

* openwebBidAdapter update

* update openwebBidAdapter.md

* update openwebBidAdapter.md

* OpenWebBidAdapter CR fixes

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Co-authored-by: Zdravko Kosanovic <zdravko.kosanovic@risecodes.com>
Co-authored-by: Zdravko Kosanović <41286499+zkosanovic@users.noreply.github.com>

Author: 3 people