Base62 codec that supports numbers greater than Number.MAX_SAFE_INTEGER.
yarn add bigint-base62encode("1111111111111111111111111111111111111111") // "prkIoxEMsYZR5feGSINceX"
decode("prkIoxEMsYZR5feGSINceX") // "1111111111111111111111111111111111111111"