Add breadcrumb navigation include

- Disable by default
- Add schema.org markup
- Add basic styling

_pages/recipes-archive.html

@@ -1,7 +1,7 @@
 ---
 layout: archive
 title: "Recipes Archive"
-permalink: /recipes-archive/
+permalink: /recipes/
 ---
 {% include absolute-url.liquid %}
 {% include group-by-array.html collection=site.recipes field='categories' %}