rename demo example into benchmarks

examples/benchmarks/message.js

@@ -0,0 +1,22 @@
+import { Counter } from "./counter.js";
+
+export class Message extends odoo.core.Component {
+  inlineTemplate = `
+    <div class="message">
+        <span class="author"><t t-esc="props.author"/></span>
+        <span class="msg"><t t-esc="props.msg"/></span>
+        <button class="remove" t-on-click="removeMessage">Remove</button>
+        <t t-widget="Counter" t-props="{initialState: props.id}"/>
+    </div>`;
+
+  constructor(parent, props) {
+    super(parent, props);
+    this.widgets = { Counter };
+  }
+
+  removeMessage() {
+    this.trigger("remove_message", {
+      id: this.props.id
+    });
+  }
+}