Task 3: Set up readme.md

[LmanHong]

Please set up the file readme.md with the following contents, which will be displayed automatically when entering this repo.

You have to finish these:

1. Set up 3 headings: Introduction, Code, and Contributors
2. Under Introduction, write a short summary of things your team will do according to the tasks inside the issues folder
3. Ensure your readme.md article is well-formatted with Markdown
4. There is no step 4!

This page might be useful for you:
https://guides.github.com/features/mastering-markdown/

[the3dsandwich]

I suppose I'll take this task as I believe someone has volunteered to take task 2?

[the3dsandwich]

Just finished and pushed an update. If pull request is approved then we're good to close this issue.

[the3dsandwich]

Thanks for approving this pull request. I'll continue to help monitor and help out but for now we can safely close this issue.