I started something that should be editable by anyone with a Sefaria account, but I'm finding the editing interface to be too cumbersome for my taste. I got as far as adding some MY content at the bottom of the document, but I don't know how to relocate it to where it belongs. Anyway, if someone has time and wants to run with this,
gezunte heit. I think that more likely, when we're ready to make a full Hagada book, we can get the Sefaria hagada text by ...