Once you have it polished with a readme and GPL license send him an email at rms@gnu.org -- but remember he hates github, don't mention "open source", do say "free software", don't buy him a parrot, and don't call the operating system Linux without saying "Gnu/" before it, and you'll be fine!
Don> Do you abstain from web browsers still, or do you have a good way to read web pages without using non-free software?
rms> I can view many web sites with IceCat, but some sites refuse to work
since I have enabled LibreJS and am connecting via the Tor network.
Don> PS: Could you please verify this stolen sperm quote?
>"If I'm the father of Open Source, it was conceived through artificial insemination using stolen sperm without my knowledge or consent." — RMS (2016, Web Summit)
rms> I really said that, probably several times. Alas, I don't remember when or where.
https://news.ycombinator.com/item?id=3159210
https://github.com/ddol/rre-rms/blob/master/rider.txt#L652