Work on the Enemy AI and implement the enemy slime asset

[snimale]

Add Patrolling(if outside visibility range), Following (if inside visibility range), Attacking (inside atk range)

• atk cooldown, atk and can be implemented as either the enemy finds the player and reduce its health by public function or the player checks if its touching enemy and if touched for cooldown time, it take damage and sets on the enemy atk animation. -Learn various techniques to make the patrolling interesting and also can add like a backward recoil on atk for the slime and a move-back animation like a bull does before attacking

[snimale]

Basic random patrolling added, work to make it smoother and more fun to play