isEmptyString 
Test if a value is an empty string.
Usage 
js
import { isEmptyString } from '@studiometa/js-toolkit/utils';
isEmptyString(''); // true
isEmptyString('foo'); // false
isEmptyString(); // false
isEmptyString([]); // falseParameters 
value(any): the value to test
Return value 
Returns true if the given value is an empty string, false otherwise.