Before, we were using the ContentType from the S3 object, which was unreliable. This helps us behave better for query-string files!
We also add a filename via Content-Disposition for the files that auto-download and for the Save As case. Idk if this is super important exactly, but I feel like it'll be a lifesaver for anyone using this to get at a specific file for their own reference at any point! and it just seems polite lol
Okay so the funny thing is that my upload script is clearly like *super* not working lol, it's been running more than an hour now and still hasn't finished listening the files. So there's only actually a handful of files to test with here, from the `archive:create:upload-test` script!
But anyway, uhh once the archive is actually uploaded, this is a way to read it back! Mainly as a way to assure me that it's all saved correctly, but also as a potential backup for images.neopets.com if it goes down again sometime.
