Add added style option to readme

README.md

@@ -34,6 +34,7 @@ subdomains | array  |   | [0, 1, 2, 3]
 type       | string |One of the following values: <ul><li> Aerial– Aerial imagery.</li><li>AerialWithLabels –Aerial imagery with a road overlay.</li><li>AerialWithLabelsOnDemand - Aerial imagery with on-demand road overlay.</li><li>CanvasDark - A dark version of the road maps.</li><li>- CanvasLight - A lighter version of the road maps which also has some of the details such as hill shading disabled.</li><li>CanvasGray - A grayscale version of the road maps.</li><li>Road – Roads without additional imagery.</li></ul> see: https://msdn.microsoft.com/en-us/library/ff701724.aspx| 'Aerial'
 attribution | string |   | 'Bing'
 culture     | string | for supported culture codes see: https://msdn.microsoft.com/en-us/library/hh441729.aspx | ''
+style       | string | REST style parameters see: https://msdn.microsoft.com/en-us/library/mt823636.aspx#Related%20Resources | ''
 
 For more details on how to use this plugin check the example.