Add HackerNewsRSS.com

Author: DeltaView

README.md

@@ -92,6 +92,7 @@ A collection of awesome [Hacker News](https://news.ycombinator.com/) apps, libra
 
 - [Hacker News RSS](https://edavis.github.io/hnrss/)
 - [HNapp](http://hnapp.com/)
+- [Hacker News RSS](https://hackernewsrss.com/)
 
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