DS-2719 - Added book theming and mention branding.

assets/css/nav-book.css

+.book-menu .list-item--active-trail > a {
+  color: #29abe2;
+}

components/03-molecules/navigation/nav-book/nav-book.scss

+@import 'settings';
+
+.book-menu .list-item--active-trail > a {
+  color: $brand-primary;
+}

socialblue.info.yml

@@ -46,6 +46,8 @@ libraries-extend:
     - socialblue/pagination
   socialbase/popover:
     - socialblue/popover
+  socialbase/nav-book:
+    - socialblue/nav-book
   socialbase/nav-tabs:
     - socialblue/nav-tabs
   socialbase/navbar:

socialblue.libraries.yml

@@ -87,6 +87,11 @@ form--timepicker:
     theme:
       assets/css/timepicker.css: {}
 
+nav-book:
+  css:
+    theme:
+      assets/css/nav-book.css: {}
+
 nav-tabs:
   css:
     theme: