practice fork and pull workflow

1. Fork this repository
2. Clone your fork
3. Set an upstream remote
4. Change the 7 random numbers and letters here: h4i20ww
5. Commit the change.
6. Push your change to origin.
7. Submit a PR request.
8. Wait 24 hours. When everyone is here, I will provide more instructions.

9. Pull in these latest changes from upstream.
10. You should have a conflict, ensure that you resolve this conflict locally.
11. Change the 7 random numbers again on line 4 above.
12. Commit the change (locally).
13. Push your change to your origin.
14. Submit a PR request.
15. Ensure that your PR request can be merged without conflict.