- Utilizes mc admin cluster commands to export/import bucket and IAM
settings.
- Adds export and import to the mc admin config command reference doc.
- Applies additional feedback from #628 that was added after that PR was
merged.
Closes#624
Creates a new page under install-deploy-manage Operator docs. This page
summarizes the changes that led to the deprecation of the
Gateway/Filesystem. It overviews the steps required to create a new
Single-Node, Single-Drive deployment with the contents, settings, and
IAM policies from the old deployment.
