StructSchemable
import type { StructSchemable } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/schemable.ts";Takes a struct of Schemables and returns a Schemable for a struct that matches, key for key, the input schemables.
ie. { str: StringSchemable, num: NumberSchemable } becomes Schemable<{ str: string, num: number }>