add GuideNodeViews demos

demos/src/GuideNodeViews/JavaScriptContent/Vue/index.vue

@@ -0,0 +1,83 @@
+<template>
+  <editor-content :editor="editor" />
+</template>
+
+<script>
+import { Editor, EditorContent } from '@tiptap/vue-3'
+import StarterKit from '@tiptap/starter-kit'
+import NodeView from './Extension.js'
+
+export default {
+  components: {
+    EditorContent,
+  },
+
+  data() {
+    return {
+      editor: null,
+    }
+  },
+
+  mounted() {
+    this.editor = new Editor({
+      extensions: [
+        StarterKit,
+        NodeView,
+      ],
+      content: `
+        <p>
+          This is still the text editor you’re used to, but enriched with node views.
+        </p>
+        <node-view>
+          <p>This is editable.</p>
+        </node-view>
+        <p>
+          Did you see that? That’s a JavaScript node view. We are really living in the future.
+        </p>
+      `,
+    })
+  },
+
+  beforeDestroy() {
+    this.editor.destroy()
+  },
+}
+</script>
+
+<style lang="scss">
+/* Basic editor styles */
+.ProseMirror {
+  > * + * {
+    margin-top: 0.75em;
+  }
+}
+
+.node-view {
+  background: #FAF594;
+  border: 3px solid #0D0D0D;
+  border-radius: 0.5rem;
+  margin: 1rem 0;
+  position: relative;
+}
+
+.label {
+  margin-left: 1rem;
+  background-color: #0D0D0D;
+  font-size: 0.6rem;
+  letter-spacing: 1px;
+  font-weight: bold;
+  text-transform: uppercase;
+  color: #fff;
+  position: absolute;
+  top: 0;
+  padding: 0.25rem 0.75rem;
+  border-radius: 0 0 0.5rem 0.5rem;
+}
+
+.content {
+  margin: 2.5rem 1rem 1rem;
+  padding: 0.5rem;
+  border: 2px dashed #0D0D0D20;
+  border-radius: 0.5rem;
+}
+</style>