JS frontend stuff

Move old ember frontend to properly named folder
Add vue based new frontend

frontend-old-ember/tests/integration/components/note/user-header-test.ts

@@ -0,0 +1,21 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'frontend-reactive/tests/helpers';
+import { render } from '@ember/test-helpers';
+import { hbs } from 'ember-cli-htmlbars';
+
+module('Integration | Component | note/user-header', function (hooks) {
+  setupRenderingTest(hooks);
+
+  test('it renders', async function (assert) {
+    // Set any properties with this.set('myProperty', 'value');
+    // Handle any actions with this.set('myAction', function(val) { ... });
+
+    await render(
+      hbs`<Note::UserHeader @displayname="bob" @handle="@alice@example.com"/>`,
+    );
+
+    assert.dom('p.note-user-displayname').hasText('bob');
+    assert.dom('p.note-user-handle').hasText('@alice@example.com');
+    // TODO: Expand tests to include profile picture
+  });
+});