step 3

first-app/src/app/app.html

@@ -1 +1,8 @@
-<h1>Hello world!</h1>
+<main>
+    <header class="brand-name">
+        <img class="brand-logo" src="/assets/logo.svg" alt="logo" aria-hidden="true" />
+    </header>
+    <section class="content">
+        <app-home></app-home>
+    </section>
+</main>