docs: remove links to gitter and forum, add Kura Dev Meeting info (#5061

)

fix: remove links to gitter and forum, add Kura Dev Meeting info

docs/java-application-development/contributing.md

@@ -6,5 +6,13 @@ The steps required to submit code to the project can be found on [Github Contrib
 
 If you face any issues, or just want to get involved with the kura community feel free to join us on:
 
-  * [Gitter](https://gitter.im/eclipse/kura)
-  * [Kura Support Forum](https://www.eclipse.org/forums/index.php/f/273/)
+- [**Github Issues**](https://github.com/eclipse/kura/issues): for bug reporting.
+- [**Github Discussions**](https://github.com/eclipse/kura/discussions): for receiving feedback, making new proposals and generally talking about the project.
+
+## Kura Dev Meeting 
+
+If you want to get involved in the development process you can join us at the Kura Dev Meeting. The meeting is held every 2 weeks on Wednesday, at 5 PM CEST on Microsoft Teams. 
+
+You can join by using [this link](https://teams.microsoft.com/l/meetup-join/19%3ameeting_N2I1OTc3ZWEtZGNkYy00NjVkLWJhNTUtYjJjNzEwMWZkMTM5%40thread.v2/0?context=%7b%22Tid%22%3a%22fc01f1f7-7425-4de2-ba8a-a7cc0ded6b72%22%2c%22Oid%22%3a%22dc13c82d-2440-47da-a2cb-6b581115fbf4%22%7d).
+
+The scheduled dates for the meeting can be found [here](https://github.com/eclipse/kura/files/12539667/kura-dev-meeting.zip). Unzip the calendar file and double-click on it to add the scheduled dates to your calendar.