Custom Asset Support (+ Custom Consumables, Analytics & Auto Rundown Id Setting)

[Kasuromi]

Summary

Provides 2 new APIs and support for consumables

• Asset API: for pulling editing and adding assets
• Prefab API: depends on the Asset API to convert new assets into prefabs compatible with GTFO (Currently only supports Consumables)
• Consumable Instance Behavior (ConsumableInstance class)
• Loading of AssetBundles with automatic registration into GTFO's AssetShard system
• Automatically sets the rundown id to 1 when the game is starting
• Disables analytics Resolves #1, #5 & #6