Added a Uuid type and drawer
Removed saving TestScript
Added a Database and Desc type to reference other SOs by UUID
When it comes to serializing data (scenes and items for example) it's much simpler to be able to reference everything by a UUID and to be able to easily look them up in a table.
Added a uuid to the LocationSOs and put them in a DB
Converted SaveSystem into a SO. Removed test vars from Save.
This replaces the previous serialization code. We can use the cached asset GUID to serialize assets to disk as well as load them through the Addressables system.