Creates a BigInt type.
⚠️ This is type is cannot be expressed with Json. Do not use if publishing types for other languages to consume.
Example usage is shown below.
const T = Type.BigInt() // const T = {
// type: 'bigint'
// }
type T = Static<typeof T> // type T = bigint
Use the IsBigInt function to guard values of this type.
Type.IsBigInt(value) // value is TBigInt