public-access-proxy: add nixvita.de

hosts/containers/public-access-proxy/configuration.nix

@@ -72,6 +72,14 @@
           httpsPort = 443;
         };
       }
+      {
+        hostNames = [ "nixvita.de" "www.nixvita.de" ];
+        proxyTo = {
+          host = "172.22.99.174";
+          httpPort = 80;
+          httpsPort = 443;
+        };
+      }
     ];
   };