Create a Car model using the red, green, refactor approach.
A car has an id, make, model, and year properties.
You should be able to:
inserta carfindByIda carfindall carsupdatea car by iddeletea car by id
You will only get points if you have the following commit history:
- Commit when you write a failing test
- Commit when your test passes
- Commit if/when you refactor