Add *.app.vostan.org servers.

Change configuration name. Now configuration name is the reversed site
name.
Add all those configuration to https certificate.

sites/default.conf

@@ -35,8 +35,8 @@ server {
         return 301 https://$host$request_uri;
     }
 
-    # If host name is not known, then simply return 404
-    #
+    ## If host name is not known, then simply return 404
+    ##
     set $known_host 0;
     if ($host = www.vostan.org) {
         set $known_host 1;
@@ -44,7 +44,10 @@ server {
     if ($host = drive.vostan.org) {
         set $known_host 1;
     }
+    if ($host ~* "^.+\.app\.vostan\.org$") {
+       set $known_host 1;
+    }
     if ($known_host != 1) {
-        return 404;
+       return 404;
     }
 }