Add example for writeGetFeature

examples/vector-wfs-getfeature.html

@@ -0,0 +1,13 @@
+---
+layout: example.html
+title: WFS - GetFeature
+shortdesc: Example of making a WFS GetFeature request with a filter.
+docs: >
+  This example generates a `GetFeature` request which uses a `PropertyIsEqualTo`
+  and a `PropertyIsLike` filter, and then posts the request to load the features
+  that match the query.
+tags: "vector, WFS, GetFeature, filter"
+cloak:
+  AkGbxXx6tDWf1swIhPJyoAVp06H0s0gDTYslNWWHZ6RoPqMpB9ld5FY1WutX8UoF: Your Bing Maps Key from http://www.bingmapsportal.com/ here
+---
+<div id="map" class="map"></div>