[FA]{issue} I20 - own texture for enemy

Closes #20
-Created own texture for enemy (watchman)
[FA]{issue} I55 - Disable Flashlight when in body

Closes #55
-Created a method in LightingManager that checks whether a position is
inside a body
-Useing that method in Flashlight to see if the light is inside a body
and disable / enable it based on that