💄 Infinite scroll (#316)

* 💄  Infinite scroll

closes #314

Adds infinite scroll logic to Casper 2.0

* use jquery min and not slim

assets/js/infinitescroll.js

@@ -0,0 +1,18 @@
+// Code snippet inspired by https://github.com/douglasrodrigues5/ghost-blog-infinite-scroll
+$().ready(function () {
+    var page = 2,
+        blogUrl = window.location,
+        $result = $('.post-feed');
+
+    $(window).scroll(function () {
+        if ($(window).scrollTop() + $(window).height() == $(document).height()) {
+            if (page <= maxPages) {
+                $.get((blogUrl + '/page/' + page),
+                function (content) {
+                    $result.append($(content).find('.post').hide().fadeIn(100));
+                    page = page + 1;
+                });
+            }
+        }
+    });
+});