we can't use logo.svg because the user should be able to replace logo.png and svg won't be as flexible to replace

Author: emad-elsaid

templates/navbar.html

@@ -1,7 +1,7 @@
 <nav class="navbar pb-5" role="navigation" aria-label="main navigation">
   <div class="navbar-brand">
     <a class="icon-text navbar-item" href="/">
-      <span class="icon is-small"><img alt="logo" src="/public/logo.svg"/></span>
+      <span class="icon is-small"><img alt="logo" src="/public/logo.png"/></span>
       <span class="has-text-weight-bold">{{.config.Sitename}}</span>
     </a>