Added favicon to the website which will make the site look great.

_includes/head-custom.html

@@ -0,0 +1,9 @@
+<!-- start custom head snippets, customize with your own _includes/head-custom.html file -->
+
+<!-- Setup Google Analytics -->
+
+
+<!-- You can set your favicon here -->
+<link rel="shortcut icon" type="image/x-icon" href="{{ '/favicon.ico' | relative_url }}">
+
+<!-- end custom head snippets -->