- Improve readability of 'Replicated' and 'Erasure Coded' sections
- Clarify replicated sample requires 1 OSD located on 3 different nodes
- Add whitespace to 'Pool Settings' section
- Add link to the k8s 'StorageClass' concept
- Rename instances of 'object store' as literal
`CephObjectStore`
- Rename instances of 'object store user' as literal
`CephObjectStoreUser`
- Other minor verbiage and syntax clean-up
Signed-off-by: Michael Fritch <mfritch@suse.com>