ERD's + Authentication

[vhoang11]

• [x] Create ERD and relationship
• [x] create authentication branch
• [ ] create navbar w/ logout button
• [ ] Place google login button in an area to be tested.
• [ ] when user is logged out, the user shouldnt see navbar. Should only see a header for hiphop pizza, login button should pop up.
• [ ] When user is logged in they should see navbar and page. Inside the navbar, user should see logo,link for all orders, and link to create order in navbar.
• [ ] On page, should use "welcome to username" make a home login component
• [ ] A button view orders, view revenue, create orders.