Enemy Movement and Animation

As the panda waves continue, so do the headaches. 

Main updates this week:

- Tilemap semi complete. Added decorations and walls/path for enemies to travel. Tower (base) and panda paradise almost done.

- Animation for panda complete and bamboo bullets added to shoot on mouse click at mouse direction. 

-Enemy animation complete and node pathing established. Having troubles updating the direction of enemy to have a left facing position not default up. Follows A* nodes to the base but sprite rotation just not right. 

Next weeks, add colision to the bullets and enemies. Add base colider for enemies to hit. Finalise movement of enemies and animation.