Performance Improvements:
+cache all Scrolls
+cache Stages in StageStatic.ShallowLoadStages

Merged MMTDeclaration and ScrollFacts
Bug fix: Save/load, Circle Spawn/Collider

Fixed a Bug where Facts stay assigned in scroll even when deleted in the world. Now they also are deleted in the scoll.
There are still issues with the dynamic scroll assignment however.

Removed some unused functions implemented for the invalid assigned fact animations.

Added some comments to popupbehavior script

Removed unnecessary debug statements.

+New Polymorphismus for JSON serialization for Solution-/FactOrganizer and Fact; +added using keyword for UnityWebRequest

+Doygen for most of Assets/Scripts/InteractionEngine/FactHandling/* and Gadget.cs +Bug fixes for saving/loading fuctionalities of Stages

+MainMenue: Create new Stage files via UI +StageStatic: differentiate between developing and playing

+Added Scenes: MainMenue, LoadingScreen +Stage: Save-Load fuctionality +Sorted Prefabs and Scripts Folder

+FactOrganizer: hid FactDict +Facts: re-renamed URI to Id, enabled persistend, generated and compact LabelNamingSpace

+Restart: reenabled RestartLevelButton +Level: reenabled Level-completion +FactOrganizer: scetch for dynamic LevelGoals, with-> +FactComparer +ShinyThings: TODO: multiple highlited facts at once

+added Lot&Pendulum-Tool +Using Math3d lib for VectorCalculus +Changed Fact managment (unstable\!) +Misc refactoring

Added the possibility to enable/disable the features DynamicScrollDescriptions and AutomaticHintGeneration