health bar + interactions

[andrewni420]

• [x] Health percent to bar length synchronization
• [x] Create physical health bar
• [x] Make health bar interactive
• [ ] link sprite in read me https://www.pngitem.com/middle/mwJbxw_game-health-bar-png-transparent-png/
• [ ] update health bar interactions to triggers from enemies
• [ ] have health change color gradients at certain check points
• [ ] create messages for tasks accomplished
• [ ] delineate point structure