Add ceph-calamari role for deploying Calamari

Signed-off-by: Tim Serong <tserong@suse.com>
Maybe simply something like this:

```ruby
default['ceph']['calamari']['packages'] = value_for_platform_family(
  "suse" => %w(
    calamari-clients
  ),
  "default" => %w()
)
```