Minor improvements to the README file

README.md

@@ -1,5 +1,13 @@
 # WMCore
-WMCore is a meta project providing multiple software for the CMS Workflow Management system, such as WMAgent, ReqMgr2, Global WorkQueue and WMStats).
-It also provides core libraries to other Data Management and Workload Management (DMWM) CMS services, like CRABServer, DBS3, Unified.
+WMCore is a meta project providing multiple software for the CMS Workload Management system, such as WMAgent, ReqMgr2, Global WorkQueue, WMStats and ReqMgr2 MicroServices.
+It also provides core libraries to other Data Management and Workload Management (DMWM) CMS services, like CRABServer, DBS3, Tier0, Unified.
 
-You can find a rich documentation in our wiki pages, [HERE](https://github.com/dmwm/WMCore/wiki).
+
+## Documentation
+General information, as well as development/testing documentation, can be found in our [wiki](https://github.com/dmwm/WMCore/wiki) pages.
+
+## Contributing
+For guidance on setting up a development/testing environment and how to contribute to WMCore, please refer to the [CONTRIBUTING](https://github.com/dmwm/WMCore/blob/master/CONTRIBUTING.rst) guidelines.
+
+## Getting Support
+For project support and discussions, please join us on our Slack [support](https://cms-dmwm.slack.com/messages/#support) channel; or send an email to our public mailing list cms-oc-dmwm AT cern DOT ch.