Update ebooks.md and added "Efficient automation with Ansible"

ebooks.md

@@ -135,6 +135,11 @@
 <td><a target="_blank" href="https://www.redhat.com/en/resources/sap-s4hana-automation-ebook">on redhat.com</a></td>
 <td><a  target="_blank" href="https://content.redhat.com/content/rhcc/us/en/assets/display.html?id=23887ed1-d0e9-4095-8bbd-83cfa9cec2c9">Content Center</a></td>
 </tr>
+<tr>
+<td>Efficient automation with Ansible</td>
+<td><a target="_blank" href="https://www.redhat.com/en/resources/efficient-automation-with-ansible-detail">on redhat.com</a></td>
+<td>NA</td>
+</tr>
 </tbody>
 </table>
 
@@ -266,4 +271,4 @@
 <td><a  target="_blank" href="https://content.redhat.com/content/rhcc/us/en/assets/display.html?id=c124c535-7608-4729-bba6-79c9b28f4181">Content Center</a></td>
 </tr>
 </tbody>
-</table>
+</table>