Replace Twitter with Bluesky in contact page

Author: althonos

misc/_posts/2015-04-18-contact.md

@@ -16,14 +16,14 @@ tags: []
 ### Email
 zeller \[AT\] embl.de
 
-### X (formerly Twitter)  
-[<i class="fa fa-twitter fa-fw"></i> Visit our Twitter Profile](https://twitter.com/ZellerGroup)
+### Bluesky
+[<i class="fa fa-bluesky fa-brands"></i> Visit our Bluesky Profile](https://bsky.app/profile/zellerlab.bsky.social)
 
 ### Mailing Address
-Leiden University Medical Center
-Albinusdreef 2
-2333 ZA Leiden
 
+| Leiden University Medical Center
+| Albinusdreef 2
+| 2333 ZA Leiden
 
 ## Join the Team