added example to index

network_examples.html

@@ -80,6 +80,7 @@
     <a class='exampleLink' href="examples/network/nodeStyles/circularImages.html">circular images</a><br />
     <a class='exampleLink' href="examples/network/nodeStyles/shadows.html">node shadows</a><br />
     <a class='exampleLink' href="examples/network/nodeStyles/shapes.html">node shapes</a><br />
+    <a class='exampleLink' href="examples/network/nodeStyles/shapesWithDashedBorders.html">dashed borders</a><br />
 
     <h3>edge styles</h3>
     <a class='exampleLink' href="examples/network/edgeStyles/arrows.html">arrows (also combined with dashes)</a><br />