add NodeViewWrapper and NodeViewContent to vue-2

docs/src/demos/Guide/NodeViews/DragHandle/Component.vue

@@ -10,6 +10,17 @@
   </node-view-wrapper>
 </template>
 
+<script>
+import { NodeViewWrapper, NodeViewContent } from '@tiptap/vue-2'
+
+export default {
+  components: {
+    NodeViewWrapper,
+    NodeViewContent,
+  },
+}
+</script>
+
 <style lang="scss" scoped>
 .draggable-item {
   display: flex;

docs/src/demos/Guide/NodeViews/TableOfContents/Component.vue

@@ -14,7 +14,13 @@
 </template>
 
 <script>
+import { NodeViewWrapper } from '@tiptap/vue-2'
+
 export default {
+  components: {
+    NodeViewWrapper,
+  },
+
   props: {
     editor: {
       type: Object,