Portals - Add objects and text to take character to the next level

[LatentArtisan]

• Work with Henry for Seeds
• Spawn Portals when X condition is met (map is explored?)
• Have portal call BSP scene again to generate new floor
• Make sure inventory and stats are in DontDestroyOnLoad

[LatentArtisan]

Next steps:

• Add portal interaction to PlayerMovement
• Turn on the portal for the last visited room in ScoreController.SpawnPortal( )