Creating the XMPP Network Graph

cross-posted from: https://programming.dev/post/9063516

Sorry if this isn't the right venue for that, I thought it'd be in the tone of "self-hosting" and "federation" :)

tl;dr: some XMPP servers started to deploy a mod to report back about how they federate with the rest of the network, and now there is a pretty graph to show for it at https://xmppnetwork.goodbytes.im/webgl.html