Adds build badge for Ceph and Minio on SemaphoreCI.
<td><strong>Windows</strong></td>
<td><a href="https://ci.appveyor.com/project/matthewkmayer/rusoto/branch/master" title="Appveyor Build Status"><img src="https://ci.appveyor.com/api/projects/status/o83ruaeu7xft0ru5/branch/master?svg=true" alt="appveyor-badge"></img></a></td>
</tr>
+ <tr>
+ <td><strong>Ceph and Minio support</strong></td>
+ <td><a href='https://semaphoreci.com/matthewkmayer/rusoto'> <img src='https://semaphoreci.com/api/v1/matthewkmayer/rusoto/branches/master/badge.svg' alt='Build Status'></a></td>
+ </tr>
<tr>
<td colspan="2">
<a href="https://rusoto.github.io/rusoto/" title="API Docs"><img src="https://img.shields.io/badge/API-docs-blue.svg" alt="api-docs-badge"></img></a>
