add wiki link to bug template [skip ci]

(cherry picked from commit 15a99ab650ce2d5ca9e21a58847bf9f7307299ea)

Closes #1085

.github/ISSUE_TEMPLATE/bug_report.md

@@ -35,3 +35,4 @@ assignees: ''
 Turn on Trace logs under Settings -> General and wait for the bug to occur again. 
 **Upload the full log file here (or another site (e.g. pastebin) and link it). Issues will be closed, if they do not include this!**
 <!-- Trace logs are named Readarr.trace.txt or Readarr.trace.#.txt and will contain "trace" in them-->
+<!-- Please see the Wiki for how to provide proper and useful trace log files https://wiki.servarr.com/readarr/troubleshooting#logging-and-log-files -->