caps fixed config

config/config.js

@@ -20,7 +20,7 @@ module.exports = {
       user: 'DBManager',          // DB username
       password: 'Stuttgart2019',  // DB password
       port: 3306,                 // MySQL port
-      dbUser: 'userDB',           // User DB
+      dbUser: 'userdb',           // User DB
       dbProject: 'projectDB'     // Project DB
     },
     mailer: {