feat: add `minBy` method

[ardalanamini]

What do you need?

It will iterate through each element of the provided values array
and return the result of invoking iteratee function/property for each element to produce the desired number,
to then be compared with other result numbers to find the minimum value.

Purposed definition:

function minBy(values: unknown [], iteratee: Function | PropertyKey): number;

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