add content to the typography extension page

docs/src/demos/Extensions/Typography/index.vue

@@ -0,0 +1,44 @@
+<template>
+  <div>
+    <editor-content :editor="editor" />
+  </div>
+</template>
+
+<script>
+import { Editor, EditorContent } from '@tiptap/vue-starter-kit'
+import Document from '@tiptap/extension-document'
+import Paragraph from '@tiptap/extension-paragraph'
+import Text from '@tiptap/extension-text'
+import Typography from '@tiptap/extension-typography'
+
+export default {
+  components: {
+    EditorContent,
+  },
+
+  data() {
+    return {
+      editor: null,
+    }
+  },
+
+  mounted() {
+    this.editor = new Editor({
+      extensions: [
+        Document(),
+        Paragraph(),
+        Text(),
+        Typography(),
+      ],
+      content: `
+        <p>“I have been suffering from Typomania all my life, a sickness that is incurable but not lethal.”</p>
+        <p>— Erik Spiekermann, December 2008</p>
+      `,
+    })
+  },
+
+  beforeDestroy() {
+    this.editor.destroy()
+  },
+}
+</script>