add popper.js

public/vendor/popper.js/docs/_includes/example10-code.html

@@ -0,0 +1,13 @@
+<h2 id="example10" tabindex="0">Popper on your side!</h2>
+<p id="example10Title">
+    What are you waiting for? Select a popper from that dropdown.<br />
+    Placing poppers around elements is just that easy!
+</p>
+
+<div id="example10code">
+{% highlight javascript %}
+var popper = new Popper(referenceElement, onPopper, {
+    placement: 'position'
+});
+{% endhighlight %}
+</div>