Function scale

scale(value, decimals, roundDown?): bigint
Multiplies a string representation of a number by a given exponent of base 10 (10exponent).
Parameters
- value: string | number | bigint
- decimals: number
- Optional roundDown: boolean
Returns bigint
A BigInt number
Example
```
scale('112', 18) // 112000000000000000000n
scale(112, 18) // 112000000000000000000n
scale(112.5632, 0) // 113n
scale(112.5632, 0, true) // 112n
```