Merge pull request #64 from nmaas-platform/63-update-content-of-the-contact-page

Updated the list of available mailing lists

docs/contact.md

@@ -2,7 +2,6 @@
 
 ## NMaaS Mailing Lists
 
-- [nmaas@lists.geant.org](mailto:nmaas@lists.geant.org): If you want to reach NMaaS project coordinators
-- [nmaas-users@lists.geant.org](mailto:nmaas-users@lists.geant.org): Discussion related to NMaaS usage
-- [nmaas-dev@lists.geant.org](mailto:nmaas-dev@lists.geant.org): Discussion related to NMaaS development
-
+- [nmaas@lists.geant.org](mailto:nmaas@lists.geant.org): If you want to reach NMaaS core team members
+- [nmaas-users@lists.geant.org](mailto:nmaas-users@lists.geant.org): Discussions related to NMaaS usage and development ([subscribe here](https://lists.geant.org/sympa/info/nmaas-users))
+- [nmaas-announce@lists.geant.org](mailto:nmaas-announce@lists.geant.org): Announcements shared by the NMaaS team with the community ([subscribe here](https://lists.geant.org/sympa/info/nmaas-announce))