Network: Add new Hexagon shape to shape examples (#3577)

This shape was added recently and was not showcased anywhere. Hereby added.

examples/network/nodeStyles/shapes.html

@@ -32,6 +32,7 @@
         {id: 9,  label: 'triangleDown', shape: 'triangleDown'},
         {id: 10, label: 'text',    shape: 'text'},
         {id: 11, label: 'star',    shape: 'star'},
+        {id: 12, label: 'hexagon', shape: 'hexagon'},
         {id: 21, font:{size:30},          label: 'big circle',  shape: 'circle' },
         {id: 22, font:{size:30},          label: 'big ellipse', shape: 'ellipse'},
         {id: 23, font:{size:30},          label: 'ellipse with a long label text', shape: 'ellipse'},
@@ -43,7 +44,8 @@
         {id: 29, font:{size:30}, size:40, label: 'big triangle',shape: 'triangle'},
         {id: 30, font:{size:30}, size:40, label: 'big triangleDown', shape: 'triangleDown'},
         {id: 31, font:{size:30},          label: 'big text',    shape: 'text'},
-        {id: 32, font:{size:30}, size:40, label: 'big star',    shape: 'star'}
+        {id: 32, font:{size:30}, size:40, label: 'big star',    shape: 'star'},
+        {id: 33, font:{size:30}, size:40, label: 'big hexagon', shape: 'hexagon'},
       ];
 
       edges = [

examples/network/nodeStyles/shapesWithDashedBorders.html

@@ -32,6 +32,7 @@
         {id: 9, font:{size:30}, size:40, label: 'triangleDown', shape: 'triangleDown', shapeProperties:{borderDashes:[5,5]}},
         {id: 10, font:{size:30}, size:40, label: 'star',    shape: 'star', shapeProperties:{borderDashes:true}},
         {id: 11, font:{size:30}, size:40, label: 'circularImage', shape: 'circularImage', image: '../img/indonesia/4.png', shapeProperties: {borderDashes:[15,5]}},
+        {id: 12, font:{size:30}, size:40, label: 'hexagon', shape: 'hexagon', shapeProperties:{borderDashes:[5,5]}},
       ];
 
       edges = [