N45: Add discussion links

content/news/045/index.md

@@ -860,14 +860,11 @@ 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),
-[Mastodon](TODO),
-[Twitter](TODO),
+[/r/rust_gamedev](https://reddit.com/r/rust_gamedev/comments/13xh0q7/this_month_in_rust_gamedev_45_april_2023),
+[Mastodon](https://mastodon.gamedev.place/@rust_gamedev/110469105162579330),
+[Twitter](https://twitter.com/rust_gamedev/status/1664256969408913411),
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--->
 
 [/r/rust_gamedev]: https://reddit.com/r/rust_gamedev
 [@rust_gamedev]: https://twitter.com/rust_gamedev