Corrected typo in sample config.json.
Corrected typo in sample config.json.

Singly/hallway,quartzjer/Locker,othiym23/locker,quartzjer/Locker,LockerProject/Locker,quartzjer/Locker,othiym23/locker,LockerProject/Locker,LockerProject/Locker,quartzjer/Locker,othiym23/locker,LockerProject/Locker,quartzjer/Locker,othiym23/locker,othiym23/locker,Singly/hallway,LockerProject/Locker