New HUD and other changes:
- added clock to track elapsed time
- added custom numbers for time and score
- added animations for score and time HUD when a number is changed
- health bar below the player is removed, health icons added to the HUD
- health loss logic is slightly changed, dinos now deal constant damage of 1 heart to the player
- increased base viewport(screen) size of the game
- adjustments to dino spawn and respawn logic were made to match viewport