Update fieldwork.html

Author: GeospatialPython

fieldwork.html

@@ -53,7 +53,7 @@ <h3>Field Data Collection Example</h3>
 
 	<script>
 var map = L.map('map');
-var myJsonUrl = 'https://my-json-server.typicode.com/GeospatialPython/Learn';
+var myJsonUrl = 'https://postb.in/1567652192596-4427331513725';
 var database = '';
 var lat = 0;
 var lon = 0;