chore: update CONTRIBUTING.md

CONTRIBUTING.md

@@ -27,23 +27,6 @@ If you don't know what to do but still want to contribute, check:
 
 ## Submitting an Issue
 
-If you have a question, do not submit an issue; instead, use the iTowns mailing
-lists. There is a user mailing list and a developer mailing list.
-
-You can subscribe to the mailing lists here:
-
-* Developer: https://lists.osgeo.org/mailman/listinfo/itowns-dev
-* User: https://lists.osgeo.org/mailman/listinfo/itowns-user
-
-The mailing list archives are here:
-
-* Developer: https://lists.osgeo.org/pipermail/itowns-dev/
-* User: https://lists.osgeo.org/pipermail/itowns-user/
-
-If you cannot find any information on your problem in the archive, you can start
-a new thread by sending an email to the list, and someone will probably answer
-with a solution.
-
 If you think you've found a bug in iTowns, first search the [iTowns
 issues](https://github.com/iTowns/itowns/issues). If an issue already exists,
 you can add a comment with any additional information. Use reactions (not
@@ -66,6 +49,36 @@ the following information as is relevant:
   to help fix it. If so, the iTowns team can often provide guidance and the
   issue may get fixed more quickly with your help.
 
+
+## Ask a question, suggest an improvement
+
+If you have a question or a suggestion not related to a bug iTowns, you can search the
+[iTowns discussions](https://github.com/iTowns/itowns/discussions). If a discussion about
+your question or suggestion already exists, you can add a comment or upvote the original
+comment in the discussion. Otherwise, you can create a new discussion, detailing your
+question or suggestion.
+
+We recommend the use of [iTowns discussions](https://github.com/iTowns/itowns/discussions)
+for suggestions and questions.
+However, there is another way of suggesting imrpovements or asking questions, which is
+through iTowns mailing lists. There is a user mailing list and a developer mailing list.
+
+You can subscribe to the mailing lists here:
+
+* Developer: https://lists.osgeo.org/mailman/listinfo/itowns-dev
+* User: https://lists.osgeo.org/mailman/listinfo/itowns-user
+
+The mailing list archives are here:
+
+* Developer: https://lists.osgeo.org/pipermail/itowns-dev/
+* User: https://lists.osgeo.org/pipermail/itowns-user/
+
+If you cannot find any information on your problem in the archive, you can start
+a new thread by sending an email to the list, and someone will probably answer
+with a solution.
+
+
+
 ## Fixing a bug, developing a feature or coding something
 
 You are more than welcome to develop to iTowns, may it be a fix, a new feature,