Quit command is not in the list of commands when help was used

[nus-pe-bot]

all commands should be added for clarity

---

_{[original: nus-cs2113-AY2223S1/pe-interim#880] [original labels: type.FeatureFlaw severity.Medium]}

[wilsonngja]

Team's Response

Thanks for noticing the bug. We acknowledge that it's unclear. However, we feel that the quit function is unlikely to affect normal operation since it's also stated in the UG. Therefore, we will acknowledge this bug as severity low.

Duplicate status (if any):

--