This is mostly a copy of the equivalent `docker secret` commands,
which uses the same mechanisms behind the hood (hence, are 90% the
same).
We can make further refinements to these docs, but this gives us
a starting point.
Adding these documents, because there were some links pointing to
these pages in the docs, but there was no markdown file to link to
on GitHub.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 276e7180f2)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>