Add RSS Feed

[jlord]

It's been requested 👍

[apg]

@jlord -- maybe not what you were intending, but I've created a little go app that:

a) runs on a Heroku free dyno
b) pulls down a CSV every 30 minutes
c) converts it to an RSS feed
d) responds with the RSS feed to https://federal-gov-rss.herokuapp.com/rss

Not the best example of Go code, but it's here.