Make minor corrections to doc/releases/reef.rst. These corrections were
suggested by Anthony D'Atri in https://github.com/ceph/ceph/pull/55049.
Signed-off-by: Zac Dover <zac.dover@proton.me>
Add release notes for the first stable release of Ceph Reef (18.2.0).
Co-authored-by: Anthony D'Atri <anthony.datri@gmail.com>
Co-authored-by: Ville Ojamo <14869000+bluikko@users.noreply.github.com>
Co-authored-by: Laura Flores <lflores@redhat.com>
Signed-off-by: Zac Dover <zac.dover@proton.me>
