Add missing links to new Bluesky account

Author: mrego

contributing.md

@@ -15,7 +15,7 @@ You can search for and/or report any issues you run into on the [GitHub issue tr
 
 * Ask questions in [Servo Zulip chat](https://servo.zulipchat.com/)
 * Start a discussion on [GitHub](https://github.com/servo/servo/discussions)
-* Tag us on [Mastodon](https://floss.social/@servo) and [Twitter](https://twitter.com/ServoDev)
+* Tag us on [Mastodon](https://floss.social/@servo), [Bluesky](https://bsky.app/profile/servo.org) and [Twitter](https://twitter.com/ServoDev)
 * Contact us via email at <[email protected]>
 
 ## Collaborators

index.md

@@ -12,6 +12,7 @@ title: Home
 * GitHub discussions: <https://github.com/servo/servo/discussions>
 * Email: <[email protected]>
 * Mastodon: <https://floss.social/@servo>
+* Bluesky: <https://bsky.app/profile/servo.org>
 * Twitter: <https://twitter.com/ServoDev>
 
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