Version 0.0.4

- Adding new Music

- Adding Story elements.

- Adding new Enemy - Golem

- Adding Difficulty Levels

- Adding functionality of pausing music while pausing the game

- Adding Particles which indicates the current unlocked level

- Adding Description Panel (when hovering over character cards)

- Adding Options Menu

- Adding Pause function by pressing the esc button

- Update Transistions between scenes.

- Update Waves of levels with enemy "Golem"

- Update Sniper Cost (50 gold -> 90 gold)

- Update Sniper Damage (Buff)

- Update Frost Damage (Buff)

- Update Poison Damage (Buff)

- Update Berserker Damage (Buff)

- Update moving behavior of soul orbs

- Remove economy tiles from first level

- Fix order in layer issues