Feedback on week 2 project progress for gx-huang

[nus-se-bot]

Progress observed

• A version tagged Level-1 is in the repo(:heavy_check_mark: well done!)

• A version tagged Level-2 is in the repo(:heavy_check_mark: well done!)

• A version tagged Level-3 is in the repo(:heavy_check_mark: well done!)

• A version tagged Level-4 is in the repo(:heavy_check_mark: well done!)

• A version tagged Level-5 is in the repo(:heavy_check_mark: well done!)

• A version tagged Level-6 is in the repo(:heavy_check_mark: well done!)

_{Note: the above observation was done by the CS2103-feedback-bot and covers changes up to 2020-01-27 00:00:00 only. If you think the above observation is incorrect, please let us know by replying in this thread. Please include links to relevant PRs/comments in your response.}