feat(breadcrumb): Add breadcrumb

views/layout.pug

@@ -38,7 +38,6 @@ html
               .header__logo
                 a.header__logo-link(href='/')
                   img(src='/images/logo.svg' alt='Contentful Example App')
-
               nav.header__navigation.main-navigation
                 ul
                   li
@@ -49,7 +48,14 @@ html
                     a(href=`/about${queryString}` class=(currentPath.startsWith('/about') ? 'active' : '')) About
                   li
                     a(href=`/settings${queryString}` class=(currentPath.startsWith('/settings') ? 'active' : '')) Settings
-
+      if currentPath !== '/'
+        .main__breadcrumb
+          .layout-centered
+            nav.breadcrumb
+              ul
+                each item in breadcrumb
+                  li
+                    a(href=`${item.url}${queryString}`) #{item.label}
       .main__content
         block content