Make hyperlinks declarative

demo/35-hyperlinks.ts

@@ -1,15 +1,21 @@
 // Example on how to add hyperlinks to websites
 // Import from 'docx' rather than '../build' if you install from npm
 import * as fs from "fs";
-import { Document, Packer, Paragraph } from "../build";
+import { Document, HyperlinkRef, Packer, Paragraph } from "../build";
 
-const doc = new Document();
-const link = doc.createHyperlink("http://www.example.com", "Hyperlink");
+const doc = new Document({
+    hyperlinks: {
+        myCoolLink: {
+            link: "http://www.example.com",
+            text: "Hyperlink",
+        },
+    },
+});
 
 doc.addSection({
     children: [
         new Paragraph({
-            children: [link],
+            children: [new HyperlinkRef("myCoolLink")],
         }),
     ],
 });