Implement Main Menu and others scenes and animations.

[MalgorzataMarczyk]

Need to implement in Unity Main Menu and others scenes with full animations and UI elements. Scenes:

• Main Menu,
• New Game (Host and Player)
• Settings
• Help
• Exit Game (warnning box "Are your sure")

[MalgorzataMarczyk]

• [x] Main Menu
• [x] Add Cards Classes Script
• [x] Add Animation to Main Menu UI
• [x] Add BattleField with game object
• [ ] Add New Game Window
• [ ] Add Setting Window
• [ ] Add Help Window
• [ ] Add warnning box for Exit Game