message: docs: add angularmix to events page
  PR Close
diff: </tr>
  </thead>
  <tbody>
  + <!-- AngularMix -->
  + <tr>
  + <th><a href="https://angularmix.com/" title="AngularMix">AngularMix</a></th>
  + <td>Orlando, Florida</td>
  + <td>October 10-12, 2018</td>
  + </tr>
  <!-- ReactiveConf -->
  <tr>
  <th><a href="https://reactiveconf.com/" title="ReactiveConf">ReactiveConf</a></th>
  <!-- ngconf 2018-->
  <tr>
  <th><a href="https://www.ng-conf.org/" title="ng-conf">ng-conf</a></th>
  - <td>Salt Lake City, UT</td>
  + <td>Salt Lake City, Utah</td>
  <td>April 18-20, 2018</td>
  </tr>
  <!-- WeRDevs-->
  <tr>
  <th><a href="https://www.wearedevelopers.com/" title="WeAreDevs">WeAreDevelopers</a></th>
  - <td>Vienna</td>
  + <td>Vienna, Austria</td>
  <td>May 16-18, 2018</td>
  </tr>
  <!-- ngJapan-->
  