add selfoss on centos7 guide

site/gentoo_lxd_container/index.html

@@ -138,6 +138,11 @@
     <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;
@@ -237,12 +242,12 @@ ln -s /usr/share/zoneinfo/America/Los_Angeles /etc/localtime
 
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 </footer>
-	  
+      
         </div>
       </div>
 
     </section>
-    
+
   </div>
 
   <div class="rst-versions" role="note" style="cursor: pointer">
@@ -256,7 +261,10 @@ ln -s /usr/share/zoneinfo/America/Los_Angeles /etc/localtime
       
     </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>