Build attack animation

[aPruner]

• Built an attack animation for the knife from scratch with pyxeledit, was super easy (took me like, 2 minutes)
• TODO: build attack animations for the other weapons, and combine them all into one spritesheet: this will be a separate issue I think
• currently debugging the animation itself, seems like I implemented it correctly but the sprite isn't showing. Animation now works, it just looks awful so I need to go back into pyxel edit and fix it. Animation now looks significantly better, going to add an additional part to it though (miss animation) Animation looks great, and now has a hitbox component to it! This issue is just about complete
• Now animations can have different speeds, and the project can support multiple sprite sheets

[aPruner]

Code looks good, will create new issues for creating a big sprite sheet of attack and hitbox animations for all the different weapons that will be in the game. Also side note: There was some textureMap changes that were necessary in here to add the new sprite sheets for the attack and hitbox animations