add link to Compose Multiplatform landing page to issues templates

This is needed to circumvent templates bypass introduced recently

Author: kropp

.github/ISSUE_TEMPLATE/config.yml

@@ -3,3 +3,6 @@ contact_links:
   - name: Create
     url: https://youtrack.jetbrains.com/newIssue?project=CMP
     about: Please report new issues to the JetBrains YouTrack
+  - name: Compose Multiplatform
+    url: https://jetbrains.com/lp/compose
+    about: Compose Multiplatform landing page