Highlight missing metadata

data/showcase/les_meves_ajudes.yml

@@ -7,6 +7,7 @@ website: https://ajuntament.barcelona.cat/lesmevesajudes/
 author:
   type: local_government
   name: Ajuntament de Barcelona
-  contact: [email protected]  # this reuse was referenced before contact was mandatory; if you are responsible for it, please add a relevant contact point so the Core team can contact you for major updates and interviews
+  contact: ??  # please add an email as a contact point so the Core team can contact you for major updates and interviews
 source:
   repository: https://github.com/lesmevesajudes/lesmevesajudes-ui
+  license: ??