Update favicon path in head.html

Author: sahehb

mevislab.github.io/themes/MeVisLab/layouts/_partials/head.html

@@ -18,7 +18,7 @@
         include a favicon for your site if you have it, else omit the line below 
         Location of favicon can be in mytheme/static/favicon.ico
     -->
-    <link rel='shortcut icon' type='image/x-icon' href='/favicon.ico' />
+    <link rel='shortcut icon' type='image/x-icon' href='./favicon.ico' />
     <link rel="stylesheet" href="https://unpkg.com/@highlightjs/cdn-assets@11.8.0/styles/default.min.css">
     <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.0.1/highlight.min.js"></script>
     <script src="https://unpkg.com/highlightjs-copy@1.0.3/dist/highlightjs-copy.min.js"></script>
@@ -28,4 +28,4 @@
       rel="stylesheet"
       href="https://unpkg.com/highlightjs-copy@1.0.3/dist/highlightjs-copy.min.css"
     />
-</head>
+</head>