docs: fix typos and add GitHub discussions (#902)

README.md

@@ -48,10 +48,10 @@ Pigeons (or doves if you like...) are universally regarded as a symbol of peace.
 
 Documentation currently is a work in progress. Draft pages are currently available on [Janssen Project Wiki](https://github.com/JanssenProject/jans/wiki/). You may want to also check Gluu Server [docs](https://gluu.org/docs), which have a lot in common with Janssen.
 
-We have setup a [community chat on Gitter](https://gitter.im/JanssenProject/Lobby). You can register for free their with your Github identity.
+We prefer to have all our discussions through [GitHub Discussions](https://github.com/JanssenProject/jans/discussion) to better facilitate faster responses. However, other means are available such as the [community chat on Gitter](https://gitter.im/JanssenProject/Lobby). You can register for free there with your Github identity.
 
-You can subscribe to the [Janssen Google Group](https://groups.google.com/u/2/g/janssen_project)
+You can also subscribe to the [Janssen Google Group](https://groups.google.com/u/2/g/janssen_project)
 and post messages there.
 
-If you find a bug in a Janssen project, or you would like to suggest a new feature, try the chat first. Then raise an issue on the respective repository. If you have a "howto" or "usage" question, [raise the issue](https://github.com/JanssenProject/jans/issues)! 
+If you find a bug in a Janssen project, or you would like to suggest a new feature, try the [GitHub Discussions](https://github.com/JanssenProject/jans/discussion) first. If you have a "howto" or "usage" question, [raise the question or usage](https://github.com/JanssenProject/jans/discussion)!