Deadshot Update 1.4.0

Changelog:
- Added damage indicators
- You can now hold down to shoot the super shotgun
- Added more HP pickups in the last level
- Made the final boss more clear how to beat
- Added a text prompt on what to press to continue in a chapter end text screen
- Increased the door close timer from 5s to 10s
- Fixed super shotgun muzzle flash masking the portal shader
- Fixed missing word in note from C3L5
- Fixed the weapon tutorial text saying "press scroll" instead of "use scroll"
- Added alternative fire tutorial to shotgun attachment
- Fixed sparks still appearing when shooting the portal fuses even if they are destroyed