Closes: #17582
Changes:
- Updated the `build-static-content` script to not generate HTML pages
for files in subfolders that are prefixed with an underscore
- Renamed the `docs/Deploy/kubernetes` folder »
`docs/Deploy/_kubernetes`
- Documented this new behavior on the communications page of the
handbook.
- Updated commands on the Deploy Fleet on Kubernetes page.
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Co-authored-by: Mike McNeil <mikermcneil@users.noreply.github.com>
