Documented pushing where playbooks are missing.
Documented playbash's all group and arithmetic.
Documented `dcm up`.
Updated `dcm`.
Up to the standards.
Added a doc on configuring `msmtp`.
New version of `dcm`.
Updated `setup-periodic` to new CLI.
Fixed examples of `setup-periodic`.
Updated docs with new `playbash` features and `setup-periodic`.
Updated docs.
Improved docs.
Updated docs (including `dnf`).
More work on workflow documents and improving other wiki pages.