Add pagination markup example to docs.

Author: knadh

docs/content/components/pagination.md

@@ -0,0 +1,23 @@
++++
+title = "Pagination"
+weight = 155
+description = "Pagination nav bars."
++++
+
+Pagination does not use any special markup or classes and re-uses the exiting buttons `<menu>`.
+
+{% demo() %}
+```html
+<nav aria-label="Pagination">
+    <menu class="buttons">
+        <li><a href="#pagination" class="button outline small">&larr; Previous</a></li>
+        <li><a href="#pagination" class="button outline small">1</a></li>
+        <li><a href="#pagination" class="button outline small">2</a></li>
+        <li><a href="#pagination" class="button small" aria-current="page">3</a></li>
+        <li><a href="#pagination" class="button outline small">4</a></li>
+        <li><a href="#pagination" class="button outline small">5</a></li>
+        <li><a href="#pagination" class="button outline small">Next &rarr;</a></li>
+    </menu>
+</nav>
+```
+{% end %}