feat: add translation to issue template

Author: Rotzbua

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,8 @@
 blank_issues_enabled: false
 contact_links:
+  - name: Translation
+    url: https://hosted.weblate.org/projects/antennapod/
+    about: To correct or add translations we invite you to help us out on Weblate.
   - name: Feedback or suggestion
     url: https://forum.antennapod.org/
     about: If the above don't fit, please leave your feedback on our forum