[296] added community pages

Signed-off-by: Marta Tomzik <[email protected]>

Author: marta-tomzik

Collaboration.md

@@ -138,11 +138,25 @@ Follow our [LinkedIn page](https://www.linkedin.com/company/instructlab) for upd
 
 Follow us on [X](https://twitter.com/instructlab) for our latest Tweets. Er, Xes. Er, posts of some sort.
 
+### [Mastodon](#mastodon)
+
+Join the [InstructLab Mastodon server](https://mastodon.social/@InstructLab) to find out what's going on in the InstructLab world.
+
+### [Bluesky](#bluesky)
+
+Follow us on [Bluesky](https://bsky.app/profile/instructlab.bsky.social). This channel is currently inactive, but stay tuned for our next updates. 
+
+### [Reddit](#reddit)
+
+Check out the [InstructLab subreddit](https://reddit.com/r/instructlab) - feel free to share your experience with using and contributing to InstructLab. Every article is welcomed! 
+
+
 ### [YouTube](#youtube)
 
 Subscribe to the [InstructLab YouTube channel](https://www.youtube.com/@InstructLab) for regular updates when we post
 video tutorials or playlists of talks about InstructLab from conferences and meetups.
 
+
 ## [Submitting content](#submitting-content)
 
 Have you made a video tutorial, how to document, or other content that would be helpful to folks involved in the