Move 3rd party scripts to footer part

Author: ivankravets

_templates/footer.html

@@ -19,4 +19,6 @@
 {% block extrafooter %}
 {{ super() }}
 {% include "navbar.html" %}
+<script async src="https://ad.platformio.org/delivery/revasyncjs.dll"></script>
+<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-7398081349378542" crossorigin="anonymous"></script>
 {% endblock %}

_templates/layout.html

@@ -4,8 +4,6 @@
 {{ super() }}
 <link rel="stylesheet" href="{{ pathto('_static/css/extra.css', 1) }}" type="text/css" />
 <script src="{{ pathto('_static/js/bootstrap.min.js', 1) }}"></script>
-<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-7398081349378542" crossorigin="anonymous"></script>
-<!-- <script src="http://dl.platformio.org/misc/abplus.js"></script> -->
 {% endblock %}
 
 {% block menu %}
@@ -26,6 +24,5 @@
 
 {% block content %}
 <ins data-rvad-zoneid="1" data-rvad-id="f837d8c96893e793fdbb230cffb628fc"></ins>
-<script async src="https://ad.platformio.org/delivery/revasyncjs.dll"></script>
 {{ super() }}
 {% endblock %}