github: update the new doc issue template to redirect the user to the new location

Signed-off-by: Hofi <[email protected]>

Author: HofiOne

.github/ISSUE_TEMPLATE/20-documentation-issue.md

@@ -1,10 +1,12 @@
 ---
 name: Documentation issue
 about: Use this template for reporting an issue in the documentation.
-title: ''
+title: 'Please use https://github.com/syslog-ng/syslog-ng.github.io/issues/new/choose'
 labels: 'doc-bug'
 assignees: ''
 
 ---
 
-Documentation issues are now handled in the new Documentation Center issue tracker. Please use https://github.com/syslog-ng/syslog-ng.github.io/issues/new/choose instead.
+Documentation issues are now handled in the new Documentation Center issue tracker.
+
+Please use https://github.com/syslog-ng/syslog-ng.github.io/issues/new/choose instead.