Support for Profile Pictures

[cjkrueger]

I'd love to see the ability to define profile pictures for each speaker that would display next to text, like so:

[twiddli]

Not quite possible to make it look like your image yet but with rendered markdown messages, you can accomplish something close. See #16

[kc0ed]

Not quite possible to make it look like your image yet but with rendered markdown messages, you can accomplish something close. See #16

wow!! Thank you！！ you are my hero!!