fix sag include and add Twitter card

_includes/head.html

@@ -8,5 +8,10 @@
   <meta property="og:image" content="{{ site.url }}/assets/img/og01.png" />
   <meta property="og:url" content="{{ site.url }}" />
   <meta property="og:description" content="{{ global.description }}" />
+  <meta name="twitter:card" content="summary_large_image">
+  <meta name="twitter:creator" content="@ulovliglogning">
+  <meta name="twitter:title" content="{{ global.title }}">
+  <meta name="twitter:description" content="{{ global.description }}">
+  <meta name="twitter:image" content="{{ site.url }}/assets/img/og01.png">
   {% I18n_Headers %}
 </head>

_includes/security-camera-svgrepo-com.svg

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
 <svg class="camera" version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 viewBox="0 0 58 58" style="enable-background:new 0 0 58 58;" xml:space="preserve">
 <path style="fill:#8697CB;" d="M33.256,51.244L33.256,51.244L33.5,51l-11-16l-5,2l11.708,17.561