Adds an Alternative Sweater

[SleepyGemmy]

this PR adds an alternative sweater intended for letting you layer a shirt underneath and having its collar be visible.

information

combines all sweater sprites into a contained spritesheet. cleans up paths. comments the code.

sprites

figure 1: comparison.

[SleepyGemmy]

!review

[alsoandanswer]

rather than sweater, alt you should name this a sweater cardigan

(this is for the simple reason that there's a LOT of sweaters and it would get very confusing, its specifically why every single one has a unique name)

[SleepyGemmy]

rather than sweater, alt you should name this a sweater cardigan

sweater refluffed to "deep v-neck".