Fixes and Editor Improvements

Hello everyone, Its been a while but I have been working on some things these past few days. Here are some Additions and improvements:

• Cutscene scene before first level added
  • The cutscenes will be based on the TimeLine extension

• PauseMenu, AudioManager, Player, DialogueUI Custom Editor for Navigation during Development
• Optimisation for TypeWriterFX
  • Those include improvements on coroutine behaviour
• Better Player Control Behaviour
  • Fix for endless movement when pausing while moving in any axis
  • Fix for strain on update step calculation