Merge branch 'direciton-finding-demo' into 'master'

Add direction finding example

See merge request cloudrf/CloudRF-API-clients!56

Author: FarrantAlex

slippy-maps/index.html

@@ -42,6 +42,7 @@ <h2>Leaflet Examples</h2>
         <li><strong>Leaflet Trilateration Example:</strong> <a href="leaflet-trilateration.html">Leaflet Trilateration Example</a></li>
         <li><strong>Leaflet Interference Example:</strong> <a href="leaflet-interference.html">Leaflet Interference Example</a></li>
         <li><strong>Leaflet Spectrum Management Example:</strong> <a href="leaflet-spectrum-management.html">Leaflet Sepctrum Management Example</a></li>
+        <li><strong>Leaflet Direction Finding Example:</strong> <a href="leaflet-direction-finding.html">Leaflet Direction Finding Example</a></li>
     </ul>
 
     <h2>Mapbox Examples</h2>