chore: update documentation link in issue template

Author: benjamineruvieru

.github/ISSUE_TEMPLATE/config.yml

@@ -4,5 +4,5 @@ contact_links:
     url: https://github.com/username/react-native-credentials-manager/discussions
     about: Please ask and answer questions here.
   - name: Documentation
-    url: https://github.com/username/react-native-credentials-manager#readme
+    url: https://docs.benjamineruvieru.com/docs/category/react-native-credentials-manager
     about: Make sure you've read the documentation before filing an issue.