add bold extension to preview

demos/src/Marks/Link/Vue/index.vue

@@ -11,6 +11,7 @@
 </template>
 
 <script>
+import Bold from '@tiptap/extension-bold'
 import Code from '@tiptap/extension-code'
 import Document from '@tiptap/extension-document'
 import Link from '@tiptap/extension-link'
@@ -36,13 +37,14 @@ export default {
         Paragraph,
         Text,
         Code,
+        Bold,
         Link.configure({
           openOnClick: false,
         }),
       ],
       content: `
         <p>
-          Wow, this editor has support for links to the whole <a href="https://en.wikipedia.org/wiki/World_Wide_Web">world wide web</a>. We tested a lot of URLs and I think you can add *every URL* you want. Isn’t that cool? Let’s try <a href="https://statamic.com/">another one!</a> Yep, seems to work.
+          Wow, this editor has support for links to the whole <a href="https://en.wikipedia.org/wiki/World_Wide_Web">world wide web</a>. We tested a lot of URLs and I think you can add *every URL* you want. Isn’t that cool?<strong>Let’s try <a href="https://statamic.com/">another one!</a></strong> Yep, seems to work.
         </p>
         <p>
           By default every link will get a <code>rel="noopener noreferrer nofollow"</code> attribute. It’s configurable though.