add logo

Author: blueneogeo

_layouts/default.html

@@ -3,7 +3,10 @@
 <div class="navbar-fixed">
 	<nav class="white">
 		<div class="nav-wrapper">
-			<a href="/" class="brand-logo grey-text text-darken-1">Flutter View</a>
+			<a href="/" class="brand-logo grey-text text-darken-1">
+				<img src="https://github.com/flutter-view/website/raw/master/images/flutter-view.png" width="40px" height="40px">
+				Flutter View
+			</a>
 			<a href="#" data-target="mobile-demo" class="sidenav-trigger"><i class="material-icons">menu</i></a>
 			<ul class="right hide-on-med-and-down">
 				<li><a href="https://flutter-view.gitbook.io" class="grey-text text-darken-1">Documentation</a></li>