import { relative } from "https://deno.land/x/plug@1.0.3/test_deps.ts";
Return the relative path from from to to based on current working directory.
An example in windws, for instance: from = 'C:\orandea\test\aaa' to = 'C:\orandea\impl\bbb' The output of the function should be: '..\..\impl\bbb'