665: Add date modified label to resource cards

[mels065]

Pull Request

Change Summary

Summary of changes made. Adds a date modified label to resource cards

Change Reason

Shows how information is currently being handled, and how currently it can be trusted.

Verification [Optional]

Related Issue: Issue #665

[marcbachan]

@mels065 Discussed in our weekly - the test site build is likely a minor issue. As long as you can build and test locally, we should be good to proceed with review as usual.