Update try-check-publish-service.md

Author: Jeremy-Hodge

application/templates/pages/guidance/try-check-publish-service.md

@@ -1 +1,8 @@
+We have an online service that checks if some data meets the standard and helps you publish it. 
 
+For now the service supports:
+
+- [article 4 direction area dataset](https://www.planning.data.gov.uk/guidance/specifications/article-4-direction#article-4-direction-area)
+- [conservation area dataset](https://www.planning.data.gov.uk/guidance/specifications/conservation-area#conservation-area-dataset)
+
+[Try the publish planning and housing data service](https://publish.planning.data.gov.uk/)