title: place custom control buttons on agm
body: <p>I need to place some custom control buttons on top of agm-map and i need to handle the click event for those placed buttons. I am unable to place custom buttons. </p>
  
  <p>template.html as below</p>
  
  <pre><code>    &lt;agm-map [latitude]="lat" #map [longitude]="lng" [zoom]=7&gt;
        &lt;agm-marker [latitude]="lat" [longitude]="lng"&gt;&lt;/agm-marker&gt;
      &lt;/agm-map&gt;
    &lt;/div&gt;
  </code></pre>
  
  <p>Thanks</p>