Auto attack mechanic change, visual changes and more

- Removed the option for auto attack to miss. You will now only attack if an enemy was in range (prioritizing your target if you have one)
- Changed scene lighting to better distinguish the player, healer and enemies from the environment.
- More balancing for the pull as it was overpowered.
- Changed EXP curve to level up slower, testing a different progression curve.
- Trying a new font for the combat text as well as mitigated it's size
- The boss will no longer require taunting on level 2 if the healer is dead.