style(page): add container class

Author: robinboehm

src/app/app.component.html

@@ -1,2 +1,4 @@
 <navigation></navigation>
-<router-outlet></router-outlet>
+<div class="container">
+  <router-outlet></router-outlet>
+</div>

src/app/navigation/navigation.component.html

@@ -1,17 +1,19 @@
-<nav class="navbar  navbar-dark bg-primary">
-  <a class="navbar-brand" [routerLink]="['books']">
-    📖🐵 BookMonkey
-  </a>
-  <ul class="navbar-nav mr-auto">
-    <li class="nav-item active">
-      <a class="nav-link" [routerLink]="['books']">List all books 📚
-        <span class="sr-only">(current)</span>
-      </a>
-    </li>
-  </ul>
-  <span>
-    <a [routerLink]="['books', 'new']">
-      <button class="btn btn-success">New Book</button>
+<nav class="navbar navbar-dark bg-primary">
+  <div class="container">
+    <a class="navbar-brand" [routerLink]="['books']">
+      📖🐵 BookMonkey
     </a>
-  </span>
+    <ul class="navbar-nav mr-auto">
+      <li class="nav-item active">
+        <a class="nav-link" [routerLink]="['books']">List all books 📚
+          <span class="sr-only">(current)</span>
+        </a>
+      </li>
+    </ul>
+    <span>
+      <a [routerLink]="['books', 'new']">
+        <button class="btn btn-success">New Book</button>
+      </a>
+    </span>
+  </div>
 </nav>