Merge pull request opentx#24 from opentx/schwabe/link_manual

Add link to our manual to the homepage

Author: bsongis

documents.md

@@ -6,10 +6,16 @@ group: navigation
 ---
 {% include JB/setup %}
 
+
+
+
 <ul class="posts">
 
-<!-- Insert Fixed List Items Here -->
 
+<!-- Insert Fixed List Items Here -->
+<li>
+<img src="assets/images/flags/gb.png"> [OpenTX 2.2 manual](https://opentx.gitbooks.io/manual-for-opentx-2-2/)
+</li>
 {% for post in site.tags.Documents %}
   <div class="post_info">
     <li>