Add bitcoin logo

This is a hack because it adds the logo to the html built by hugo.

Author: tcharding

index.html

@@ -60,6 +60,9 @@
         <div class="content vertical">
             <main class="main">
                 <div class="indexWrapper">
+                    <div>
+                        <img src="rust-bitcoin.png" alt="rust-bitcoin logo">
+                    </div>
                     <div>
                         <h1 class="indexHeader">rust-bitcoin</h1>
                     </div>
@@ -103,4 +106,4 @@ <h1 class="indexHeader">rust-bitcoin</h1>
 
 </body>
 
-</html>
+</html>