add 'scattermapbox' to main plotly.js bundle

Author: etpinard

lib/index.js

@@ -25,7 +25,8 @@ Plotly.register([
     require('./scattergeo'),
     require('./choropleth'),
     require('./scattergl'),
-    require('./scatterternary')
+    require('./scatterternary'),
+    require('./scattermapbox')
 ]);
 
 module.exports = Plotly;