update readme

Author: Sebastian Gumprich

README.md

@@ -1,6 +1,8 @@
 # mysql-hardening (Ansible role)
 
-[![Gitter Chat](https://badges.gitter.im/Join%20Chat.svg)][3]
+[![Build Status](http://img.shields.io/travis/dev-sec/ansible-mysql-hardening.svg)][1]
+[![Gitter Chat](https://badges.gitter.im/Join%20Chat.svg)][2]
+[![Ansible Galaxy](https://img.shields.io/badge/galaxy-mysql--hardening-660198.svg)][3]
 
 ## Description
 
@@ -97,4 +99,6 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 
-[3]: https://gitter.im/dev-sec/general
+[1]: http://travis-ci.org/dev-sec/ansible-ssh-hardening
+[2]: https://gitter.im/dev-sec/general
+[3]: https://galaxy.ansible.com/dev-sec/mysql-hardening/