message: Added bundle test
diff: <script type="text/javascript" src="../dist/pptxgen.shapes.js"></script> <!-- optional if you dont need non-core Shapes -->
  <!--<script type="text/javascript" src="../dist/pptxgen.masters.js"></script> DEPRECATED/LEGACY-TEST-ONLY -->
  <script type="text/javascript" src="../dist/pptxgen.js"></script>
  + <!--<script type="text/javascript" src="../dist/pptxgen.bundle.js"></script>-->
  <!-- ^^^ PptxGenJS libraries ^^^ -->
  <script type="text/javascript" src="../examples/pptxgenjs-demo.js"></script>
  