User : {
    UserId: number,
    Username: varchar(50),
    FirstName:
    LastName:
}

Role: {
    RoleId
    RoleName
}

UserRoles  {- de legatura pt user si roluri pt ca sunt many to many
    UserRoleId
    UserId
    RoleId
}
Restaurant: {
    RestaurantId,
    Name,
    Location - fk catre o locatie

}

Food : {
    FoodId,
    Name,
    Price,
    Quantity,
    RestaurantId - fk catre restaurant
}

Location : {
    LocationId,
    City,
    Address
}