Add 404 page

Author: kragniz

404.html

@@ -0,0 +1,10 @@
+---
+layout: page
+title: 404
+---
+
+<h2 class="go-home">
+    It's not here.
+</h2>
+
+<script> document.getElementsByTagName('body')[0].classList.add('glitch'); </script>