Managing Qualitative Data Contains Broken Links

## Website Contains Broken Links

Broken Link Checker found :coffin: links on managing-qualitative-data.org

[View Results](https://github.com/QualitativeDataRepository/ssrc-qdr-data-management/commit/437682d723abddd977b7fe4f49b6af19e1a79e80/checks)

_Use search filter `─BROKEN─` to highlight failures_