Function: download_image

--Usage--
> download_image(image_url)

Load an image from the internet.

--Parameters--
! Parameter	Type			Description
| @input@	[[type:string]]		URL of the image to load

--Examples--
> new_card([image: download_image("https://cards.scryfall.io/art_crop/front/c/6/c634273a-94b0-4104-9d10-ae522ece1fc7.jpg?1755341328"), name: "Adagia, Windswept Bastion"])
