fix(docs): base url detect /api/ and not api

src/templates/index.tmpl

@@ -18,7 +18,7 @@
     // before the base attribute is added, causing 404 and terribly slow loading of the docs app.
     (function() {
       var indexFile = (location.pathname.match(/\/(index[^\.]*\.html)/) || ['', ''])[1],
-          origin, baseUrl, rUrl = /(#!\/|<%= sections %>|index[^\.]*\.html).*$/,
+          origin, baseUrl, rUrl = /(#!\/|\/<%= sections %>\/|index[^\.]*\.html).*$/,
           headEl = document.getElementsByTagName('head')[0],
           sync = true;