si-prefix (npm): SI and IEC compatible numeric formatter
Keywords: SI prefix|human readable|binary|SI|IEC|yocto|zepto|atto|femto|pico|nano|micro|milli|centi|deci|deca|hecto|kilo|mega|giga|tera|peta|exa|zetta|yotta|kibi|mebi|gibi|tebi|pebi|exbi|zebi|yobi