Save and Load system

S&L
Very Major cleanup WIP
Merge branch 'Save-and-Load-system' of https://github.com/PMGK-Gr1/TheGame

Conflicts:
	Game/Assets/Donut/Scripts/CandyPicker.cs
	Game/Assets/MainScene.unity
	Game/ProjectSettings/ProjectSettings.asset
Major cleanup, Level builder still needs fixing and cleaning