Update bug_report.md

.github/ISSUE_TEMPLATE/bug_report.md

@@ -23,6 +23,9 @@ Steps to reproduce the behavior:
 **Expected behavior**
 A clear and concise description of what you expected to happen.
 
+**Please provide logs if you're experiencing notifiation errors / bugs**
+Attach Gists for swaync logs by running `G_MESSAGES_DEBUG=all swaync` and (if applicable) application logs.
+
 **Screenshots**
 If applicable, add screenshots to help explain your problem.