Revamp the settings system (#7)

- A Settings Provider system to utilize addressables for loading settings at runtime
- An editor UI for easy modifications of the settings objects
- A split out developer settings functionality to keep gameplay and nitty-gritty details separately
- Most settings migrated out of game objects and into the new system
- An additional Editor utility for fetching the settings at editor runtime, for gizmos, visualization etc

Co-authored-by: Michal Pikulski <michal.a.pikulski@gmail.com>
Co-authored-by: AlexanderT <alexander@foolhardyhorizons.com>
Reviewed-on: #7

Assets/Settings/DivingMinigameSettings.asset

@@ -0,0 +1,48 @@
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