docs: made sidebar wider and don't wrap lines (#75)

Author: bertyhell

docs/index.html

@@ -6,8 +6,8 @@
 ---
 {% include header.html %}
 
-<div class='content-root'>
-  <div class='menubar'>
+<div class='content-root' style="padding-left: 400px">
+  <div class='menubar' style="width: 400px; white-space: nowrap">
     <div class='menu section' role='flatdoc-menu'></div>
   </div>
   <div role='flatdoc-content' class='content'></div>