message: new demo for hyperlink color (Issue Pull
diff: * DESC: Common test/demo slides for all library features
  * DEPS: Used by various demos (./demos/browser, ./demos/node, etc.)
  * VER.: 3.4.0
  -* BLD.: 20201223
  +* BLD.: 20210101
  */
  var isIE11 = typeof window !== 'undefined' && !!window['MSInputMethodContext'] && !!document['documentMode'];
  @@ -2900,15 +2900,19 @@ function genSlides_Text(pptx) {
  slide.addText("Hyperlinks:", { x:0.5, y:6.0, w:'90%', h:0.3, margin:0.123, color:'0088CC' });
  slide.addText(
  [{ text: 'Link with Tooltip', options: { hyperlink: { url: 'https://github.com/gitbrent/pptxgenjs', tooltip: 'Visit Homepage' } } }],
  - { x:0.5, y:6.4, w:3, h:0.6, margin:10, fill:{color:'F1F1F1'}, fontSize:14, align:'center' }
  + { x:0.5, y:6.4, w:2.5, h:0.6, margin:10, fill:{color:'F1F1F1'}, fontSize:14, align:'center' }
  );
  slide.addText(
  [{ text: 'Link without Tooltip', options: { hyperlink: { url: 'https://github.com/gitbrent' } } }],
  - { x:5.0, y:6.4, w:3, h:0.6, margin:10, fill:{color:'F1F1F1'}, fontSize:14, align:'center' }
  + { x:3.78, y:6.4, w:2.5, h:0.6, margin:10, fill:{color:'F1F1F1'}, fontSize:14, align:'center' }
  + );
  + slide.addText(
  + [{ text: 'Link with custom color', options: { hyperlink: { url: 'https://github.com/gitbrent' }, color: 'EE40EE' } }],
  + { x:7.05, y:6.4, w:2.5, h:0.6, margin:10, fill:{color:'F1F1F1'}, fontSize:14, align:'center' }
  );
  slide.addText(
  [{ text: 'Link to Slide #5', options: { hyperlink: { slide: 5 } } }],
  - { x:9.5, y:6.4, w:3, h:0.6, margin:10, fill:{color:'F1F1F1'}, fontSize:14, align:'center' }
  + { x:10.33, y:6.4, w:2.5, h:0.6, margin:10, fill:{color:'E2F0D9'}, fontSize:14, align:'center' }
  );
  }
  