Fix js json large bigint display

[IceMimosa]

Fix #469

[davideicardi]

Thank you @IceMimosa ! My only concern is that this could potentially break others parts. What is the source of /js/json-bigint-1.0.0.min.js?

[IceMimosa]

@davideicardi https://github.com/sidorares/json-bigint I test some production json data locally, and it works fine.