docs: Add favicon

Author: MichaelCurrin

docs/index.html

@@ -11,12 +11,15 @@
     <meta name="description" content="Documentation for a template project built on Docsify-JS">
     <meta name="keywords" content="doc,docs,documentation,docsify,github,jekyll,github-pages,template">
 
+    <link rel="icon" href="_media/docs_face.png">
+
     <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/buble.css">
     <style>
         /* Fix issue on mobile devices where a custom cover image goes off the screen. */
         section.cover.show {
             height: 100%;
         }
+
         /* Override Docsify's block styling so that cover badge does not wrap. */
         section.cover h1 a {
             display: inline;