Enemy/combat system creation

[ashergadams24]

• Create enemies that target player and deal damage when in contact
• Create button for attack. Deal damage to enemies and kill after damage threshold reached
• Implement projectile logic from both enemies and players
• Add items that can affect damage
• Create multiple enemy types

[ashergadams24]

Created enemy that chases after player when detection zone is entered. Created world scene

[ashergadams24]

Health bars added, enemy can damage player and player disappears after health reaches 0, player attack logic added