Added an ItemOption Prefab
Created Player Prefab
The player now will get their items in the inventory selection screen
Only within this scene will items be able to be added and removed
Updated player files to check for characterController being enabled
This will make it easier to implement the dual RigidBody system
-WallRunItem made for equipping/unequipping wall run
-Added Method to PlayerInventory for trying to add special items as items
-Added better method for checking if player isGrounded to PlayerMovement
-Added a setup file for preconfiguring player loadouts
-Added complex wallrun file as a work in progress to allow for robust polished wallrun mechanic
