Adds info to `mc admin user svcacct` and `mc admin user sts` about
exposing expiration for accounts.
Fixes some build errors from the troubleshooting doc.
Closes#786
Updates related to [mc
RELEASE.2023-01-28T20-29-38Z](https://github.com/minio/mc/releases/tag/RELEASE.2023-01-28T20-29-38Z)
- new `--comment` flag for `mc admin user add` service accounts
- new `--airgap` flag for `mc license unregister`
- new `--encrypt-key` flag for `mc ilm restore`
- removed `--duration` flag for `mc support perf`
- new `--api-key` flag for `mc license register`
No doc issue for tracking this release.
Closes#715 for ilm restore flag
Adding replication overview and site replication overview docs.
Distinguising between bucket replication and site replication.
Adds mc admin replicate docs.
Including tutorials for how to do site replication.
