JS1 Week 4 work review

[SallyMcGrath]

Which module(s) and week(s) does this change affect? Module(s): JS1 Week(s): 4

What is the work that needs to be done? https://github.com/CodeYourFuture/syllabus/issues/494

Why is this work important to do?

Additional context

Who might need to know about this change?

[40thieves]

We forgot to move the assignment over to me, hopefully I haven't stepped on any toes!

I've done this work in a PR: https://github.com/CodeYourFuture/JavaScript-Core-1-Coursework-Week4/pull/233