Fix docs and improve out of bounds calculation

[FejZa]

Reality Toolkit PR

What has Changed

Added

• The PlayerOutOfBoundsModule now has its own configuration profile
• The PlayerOutOfBoundsModule now supports auto reset. If activated, the player will be reset back into bounds after a given period of time automatically
• Introduced IXRPlayerHead interface. The already existing type XRPlayerHead is the default implementation of it

Changed

• Exposed the head on the xr player controller interface
• Moved bounds calculation responsibility out of the xr head component and into the bounds module

Fixed

• Fixed a couple of doc refs