Ability to send pictures in chat

[Saphereye]

As it's a terminal based chat, the best option is to convert pictures into ascii art and send

Relevant resources: https://github.com/FineFindus/artem

[Saphereye]

Or I can take inspiration from my own project: https://github.com/Saphereye/image-to-terminal/blob/master/src/main.rs

[Saphereye]

This is great: https://github.com/0x61nas/aarty

[Saphereye]

Can be extended to files in general

[Saphereye]

Files are now supported as of commit 5152435

[Saphereye]

add feature to send multiple files as \file txt1 txt2