Negative Event: Add a trap that causes the enimies to speed up momentarily, when the player falls into the trap. #9

One of our new negative events will implement some kind of trap that gives a speed up buff to the hall guards and dean. Related to issue to #3, since it will implement a speed buff.

Checklist items for trap event:

• Create a new interface for player effects (immunity, hurt, slowed down/speed boosted e.t.c.)
• Create and complete new Trap class, with all required functionality.
  • Add collision logic, to trigger the negative event when the trap and player collide.
  • Give temporary speed boost to enemies when trap is triggered.
• Add traps around the map.
• Add unit tests for trap class.