1. Displaying all Games data.
        -> Discounted Games
        -> Top Games
        -> Free Games
2. Displaying user's orders. (Authenticated Only)
        -> All Orders
        -> Confirmed Orders
        -> Paid Orders
3. Admin Panel. 
        -> All Orders
        -> Add a new admin
        -> Add a new Game
4. Authenticate user with FireBase
        -> Google+ SignIn & Email/Password.