added validating designs

[hargunkaur286]

Notes for Reviewers

This PR fixes #346

Signed commits

• [x] Yes, I signed my commits.

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[alero-awani]

Thank you @hargunkaur286. LGTM 🚀

[leecalcote]

@hargunkaur286 a conflict to address here...

[leecalcote]

merge conflict