They link to a collection called "Software Library: Flash". How do I add something there? I've uploaded gravityrunner years ago and recently (45 days ago, the site tells me) figured out how to activate the emulator for this swf file (not sure why not offer to emulate any .swf file but ok), but it's also not showing up¹ in things like Flash game collections. Is there any documentation on this?

Edit: wait, I think I found it. Below the About text, there is a filter for "AND primary_collection:softwarelibrary_flash". Probably I need to add that tag to my item. Now I wonder how I'm supposed to know of the relevant collections to put things in? Is there a list of all software categories?

¹ https://archive.org/details/softwarelibrary_flash?query=grav... whereas it is on the site-wide search: https://archive.org/search?query=gravityrunner