add link to docs. fixes #57

_includes/site-footer.html

@@ -4,7 +4,9 @@
       <small class="small">Based on <a href="http://jekyllthemes.org/themes/alembic/">Alembic by David Darnes</a></small> 
     </div>
     <center>
-      <small class="small"><a href="https://git.chaotikum.org/chaotikum/website/-/blob/master/{{page.path}}">Edit this page.</a></small> 
+      <small class="small"><a href="https://git.chaotikum.org/chaotikum/website/-/blob/master/{{page.path}}">Edit this page.</a>
+      | 
+      <a href="https://git.chaotikum.org/chaotikum/website/-/tree/master/docs?ref_type=heads">Read The Docs.</a></small> 
     </center>
     {% include nav-footer.html %}
   </div>