IndyHackers Planet End of Life

Following Heroku's unceremonious announcement of the end of free services effective September 28th, I have updated the readme for the IndyHackers Planet repository announcing the end of the service to coincide.

If you were still relying on the aggregated RSS feed, now is a suitable time to grab the OPML and do the aggregation yourself. I would not recommend hosting your own copy, given how old and unmaintained the code is.