Create user class and test

[tommi-t-nguyen]

What (if any) features are you implementing?

• created User class and test - has a add to favorite and remove from favorite method

What (if anything) did you refactor? -n/a

Were there any issues that arose? -n/a

Is there anything that you need from your teammate?

• n/a

Any other comments, questions, or concerns? Need to add the following:

• Add/Remove from recipe to cook
• Filter methods