Merge pull request #155 from mzenk/pages

Update banner

docs/_data/callouts.yaml

@@ -1,10 +1,10 @@
 style: is-light
 height: is-small
 items:
-  - title: FeTS challenge returns in 2022
+  - title: FeTS challenge is back in 2022
     # subtitle: Example subtitle 1
     icon: fa-bullhorn
     description: >
-      Training data will be released very soon (once the new website is live). Stay tuned!
-    call_to_action_name: Visit website (coming soon)
-    call_to_action_link: "https://miccai2022.fets.ai"
+      The training data has been released!
+    call_to_action_name: Visit website
+    call_to_action_link: "https://synapse.org/fets"