link the latest stdlib documentation (#144)

Author: narimiran

jekyll/documentation.html

@@ -9,7 +9,7 @@ <h1 class="pure-u-1 text-centered page-title main-heading">{{page.title}}</h1>
   <div class="pure-u-1 pure-u-md-1-2">
     <h2 class="">Standards &amp; Guides</h2>
 
-    <h3><a href="{{ site.baseurl }}/docs/lib.html">Standard Library</a></h3>
+    <h3><a href="https://nim-lang.github.io/Nim/lib.html">Standard Library</a></h3>
     <p>
       Provides a listing and description of all the modules in the standard
       library.