Set default page image URL from relative to specified

Author: dangerworm

_layouts/default.html

@@ -14,7 +14,7 @@
         <main role="main" class="page-content" id="page-content">
             <div class="row">
                 <div class="main-logo">
-                    <a href="{{site.url}}"><img src="./images/keyboard-green.png"></a>
+                    <a href="{{site.url}}"><img src="{{site.url}}/images/keyboard-green.png"></a>
                 </div>
                 <div class="main-logo-title">
                     <h1 class="cover-heading">CODEWITH<span id="small-screen-break"><br /></span><span id="suffix" class="typed-suffix">US</span></h1>