bugfix createaccount backend feedback message

backend/index.js

@@ -131,7 +131,7 @@ app.put("/API/user/create", function (req, res) {
         connection.query(`INSERT INTO user (deactivated, email, password) values (1, ${email}, ${password})`, function (err, rows) {
             if (err)
                 return res.send(status.INTERNAL_SERVER_ERROR).send("the user seems to exist already - if you think this is an error contact the sys admin");
-            return res.status(status.OK).send();
+            return res.status(status.OK).send("account successfully created");
         });
     } else {
         res.status(status.BAD_REQUEST).send("invalid data supplied");