Moved reading the main js file to head

Signed-off-by: Jim Martens <github@2martens.de>

_includes/footer.html

@@ -50,12 +50,4 @@
         </div>
     </div>
 </footer>
-<script type="text/javascript" src="/assets/javascripts/main.js" defer></script>
-<script>
-    echo.init({
-        offset: 500,
-        throttle: 250,
-        unload: false
-    });
-</script>
 <noscript><link rel="stylesheet" href="/assets/css/main.css" type="text/css"></noscript>

_includes/head.html

@@ -154,4 +154,5 @@
     <script src="https://code.jquery.com/jquery-3.3.1.min.js"
             integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
             crossorigin="anonymous"></script>
+    <script type="text/javascript" src="/assets/javascripts/main.js" defer></script>
 </head>