docs(contact): update section (#1137)

Co-authored-by: Daniel Leroux <[email protected]>

packages/documentation/docs/contact-us.md

@@ -6,4 +6,8 @@ title: Contact us
 
 Siemens Industrial Experience is an open source design system and free to use under the MIT license, maintained by the core team with the help of our contributors. 
 
-Get in touch with the core team: [email protected]
+For feature requests and bug tickets please visit our [github repository](https://github.com/siemens/ix/issues).
+
+Siemens employees are also welcome to join our [Viva Engage community](https://web.yammer.com/main/groups/eyJfdHlwZSI6Ikdyb3VwIiwiaWQiOiI1ODIzNzc5NjM1MiJ9) where we can have livley discussions about all aspects of the design system.
+
+For inquiries about collaborations please write to: [email protected]