Image url support for request json, instead of Base64 string

[hlktrkn]

I like this repo, and thanks for your effort.

Currently, I use base64 data string for input images. Testing requests on the Runpod interface is especially painful and frustrating.

IMHO, if the handler could download input images from URLs and send to the ComfyUI server, it would be amazingly fast. Also, Runpod API rate limits wouldn't be a problem anymore—there is a 20 MB request rate limit.

[BenDes21]

This is an amazing job, thanks to Tim for that ! would like also to know if it's possible to have light format like compressed webP for increase the performance of our app.

[TimPietrusky]

@hlktrkn thanks for reporting this and it makes total sense. will make sure to implement this.