Add example for sending captured screenshot

[Olymtoise2022]

In the readme it states capture current screen and send it (only as shitty jpeg at this time), however, I cannot find an example on how to do it. Can anyone give a brief introduction? that would help a lot.

[6A-Realm]

Here's how I did it in python. https://github.com/6A-Realm/SysCord/blob/93cea41a15e7384c3a8125f948629fbce556cf1e/core/pixelpeek.py