N27: Add discussion links (rust-gamedev#847)

Author: 17cupsofcoffee

content/news/027/index.md

@@ -752,13 +752,10 @@ Want something mentioned in the next newsletter?
 Also, subscribe to [@rust_gamedev on Twitter][@rust_gamedev]
 or [/r/rust_gamedev subreddit][/r/rust_gamedev] if you want to receive fresh news!
 
-<!--
-TODO: Add real links and un-comment once this post is published
 **Discuss this post on**:
-[/r/rust_gamedev](TODO),
-[Twitter](TODO),
+[/r/rust_gamedev](https://www.reddit.com/r/rust/comments/qoy5rv/this_month_in_rust_gamedev_27_october_2021/),
+[Twitter](https://twitter.com/rust_gamedev/status/1457461009833238528),
 [Discord](https://discord.gg/yNtPTb2).
--->
 
 [/r/rust_gamedev]: https://reddit.com/r/rust_gamedev
 [@rust_gamedev]: https://twitter.com/rust_gamedev