Add pointers to help

Author: Barthelemy

README.md

@@ -42,3 +42,11 @@ For a general overview of our software, organization and processes, please see t
 <!-- Added by: bvonhall, at:  -->
 
 <!--te-->
+
+### Where to get help
+
+* CERN Mailing lists: alice-o2-wp7 and alice-o2-qc-contact
+* Discourse: https://alice-talk.web.cern.ch/
+* JIRA: https://alice.its.cern.ch
+* O2 development newcomers' guide: https://aliceo2group.github.io/quickstart
+* Doxygen: https://aliceo2group.github.io/QualityControl/