193 Add a new event sheet for the Bird enemy.
194 We must record the starting position of every bird
195 When the bird is moving left of the starting position face left (mirror)
When the bird is moving right of the starting position face right (no mirror)
196 Add some game juice by spawning particles when the bird flaps its wings
197 Add code for the bird to interact with the player
include Bird event sheet in Level 3 Event Sheet!