implement basic combat

[TetyLike3]

• implement proper m1/m2s
• damage calculation
• toggleable floating numbers/combo meter
• progression scales health, damage
• clashing
• status effects (e.g. poison, bleed)
• status buffs (e.g. defense buffs)
• cooldowns

[TetyLike3]

• Improved M1/M2s in b3a062a1c3e5561c4698ed3ab086bf3e5db00d49, still waiting on improved animations.