feat: 🎸 add doc-url helper and doc-link component

ui/core/tests/integration/components/doc-link-test.js

@@ -0,0 +1,14 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'ember-qunit';
+import { render, find } from '@ember/test-helpers';
+import { hbs } from 'ember-cli-htmlbars';
+
+module('Integration | Component | doc-link', function(hooks) {
+  setupRenderingTest(hooks);
+
+  test('it renders', async function(assert) {
+    assert.expect(1);
+    await render(hbs`<DocLink @doc="topics.account" @iconSize="large" />`);
+    assert.ok(find('.doc-link .rose-icon.large'));
+  });
+});