add new collab test

examples/Components/Routes/Collaboration3/Collab.js

@@ -0,0 +1,24 @@
+import { Extension } from 'tiptap'
+import { collab } from 'prosemirror-collab'
+
+export default class CollabExtension extends Extension {
+  get name() {
+    return 'collab'
+  }
+
+  get defaultOptions() {
+    return {
+      version: 0,
+      clientID: Math.floor(Math.random() * 0xFFFFFFFF),
+    }
+  }
+
+  get plugins() {
+    return [
+      collab({
+        version: this.options.version,
+        clientID: this.options.clientID,
+      }),
+    ]
+  }
+}