add biosuit crate to cargo

[aft2001]

God fuck please make this a thing. Pathology fundamentally seems annoying as fuck despite how fun and potentially useful it may be. But, there is 0 way to resist a pathogen some nerd spends 40 minutes engineering - this is a solid way to make sure that people can actually handle an epidemic.

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I *may* be a bit upset just due to a bad experience I had with literally the first pathology-enabled round on RP1 today, but yeah, add this.