Uncaught (in promise) ReferenceError: Highlight is not defined

Describe the bug
The bug will occour when u use docx.renderAsync with the option renderComments set to true.

Document
Attachment D - Instructions.docx

Screenshots

Maybe you should use typeof to check, if Highlight is defined.

Lines 2786 to 2788 in 2a42da3

    
           if (this.options.renderComments && Highlight) { 
        
               this.commentHighlight = new Highlight(); 
        
           }

	if (this.options.renderComments && Highlight) {
	this.commentHighlight = new Highlight();
	}