add `ProgramUtility.GetConsoleIndentation` 🔨 ✨

[BryanWilhite]

    public static string GetConsoleIndentation(int numberOfSpaces, int indentationLevel)
    {
        if (indentationLevel == 0) return string.Empty;

        string spaces = Enumerable.Repeat(" ", numberOfSpaces).Aggregate((a,i) => $"{a}{i}");

        return Enumerable.Repeat(spaces, indentationLevel).Aggregate((a,i) => $"{a}{i}");
    }