Create a userContext to hold the user's information

[Ajknight121]

Use react CreateContext to create a userContext that creates and provides a user object. The user object with have the properties: username, aboutMe (string), profileIcon (as a url string), and favoriteGames (list of strings)

create the context in a new directory Domain/ and in a userContext.jsx file.

userContext provider can then wrap the entire all routes defined in the component to make the user variables available throughout the website