Make newline formatting explicit.

lib/main/build-site.js

@@ -24,7 +24,7 @@ function build(type) {
     $a.replaceWith($a.html());
   });
 
-  var html = $.html().replace(/(<)!--\s*|\s*--(>)/g, '$1$2');
+  var html = _.trim($.html().replace(/(<)!--\s*|\s*--(>)/g, '$1$2'));
 
   html = [
     '---',
@@ -33,6 +33,7 @@ function build(type) {
     'title: Lodash Documentation',
     'version: ' + (version || null),
     '---',
+    '',
     html,
   ].join('\n');