Level and Restart Widgets, Game Instructions, Health Serum + Pack Sounds, Increase Score per Level

• Increase Player Score by 50 points upon level completion
• HealthPack Sound
• Health Serum Sound
• Restart/Game Over screen (UI widget)
• Game instruction screen (UI widget)
• Level complete screen (Level 1, Level 2, Level 3/Game Complete) (UI widget)

approved this merge request

mentioned in commit bee7561a

merged