Support `space` in `art` and `aprint` functions

[Sepand Haghighi]

Description

Support space in art and aprint functions

Steps/Code to Reproduce

>>> from art import *
>>> aprint("coffee", number=3, space=5)

Expected Behavior

c[_]     c[_]     c[_] 

Operating System

Windows 10

Python Version

Python 3.8

ART Version (Use : art.__version__)

ART 6.0