add selfoss on centos7 guide

site/freebsd_jails_on_freenas/index.html

@@ -142,6 +142,11 @@
     <a class="" href="../self_signed_certs/">Self Signed Certs</a>
 	    </li>
           
+            <li class="toctree-l1">
+		
+    <a class="" href="../selfoss_on_centos7/">Selfoss on Centos7</a>
+	    </li>
+          
         </ul>
       </div>
       &nbsp;
@@ -362,12 +367,12 @@ so that it looks like this.</p>
 
   Built with <a href="http://www.mkdocs.org">MkDocs</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
 </footer>
-	  
+      
         </div>
       </div>
 
     </section>
-    
+
   </div>
 
   <div class="rst-versions" role="note" style="cursor: pointer">
@@ -381,7 +386,10 @@ so that it looks like this.</p>
       
     </span>
 </div>
+    <script>var base_url = '..';</script>
     <script src="../js/theme.js"></script>
+      <script src="../search/require.js"></script>
+      <script src="../search/search.js"></script>
 
 </body>
 </html>