bug: obs_diag/threed_cartesian & threed_sphere 'how to view rank histograms' doc links are broken

[hkershaw-brown]

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Describe the bug

1. Click on the links circled in pink
2. Enlightenment
3. Forbidden to access.

Error Message

Forbidden You don't have permission to access this resource.

Which model(s) are you working with?

All of them.

Screenshots

https://docs.dart.ucar.edu/en/latest/assimilation_code/programs/obs_diag/threed_cartesian/obs_diag.html#trusted-observation-types

The threed_cartesian & threed_sphere have big chunks of duplicated doc.

Version of DART

docs latest online (v11.3.1)

Have you modified the DART code?

No

Build information

online docs https://docs.dart.ucar.edu/en/latest/assimilation_code/programs/obs_diag/threed_sphere/obs_diag.html