FEAT: Ascii graph generator

[TheTechRobo]

Is your feature request related to a problem? Please describe.
An ASCII graph generator would be cool! Like:

c
o
o
l  ___
n  | |
e  | |
s  | |   ___
s  |_|   |_|    ___
   item  item2  item3

Implementation ideas
All of my ideas for this are in /dev/null

Additional context
Would be amazing to have it in 0.11.