Update bug_report.md

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: Create a report to help us improve
+about: Create a report to help us improve. Clearly attach screenshots or video to help reproduce the issue quickly. Include a sample file if the problem involves image formats.
 title: ''
 labels: "\U0001F41E bug"
 assignees: d2phap
@@ -28,7 +28,7 @@ Steps to reproduce the behavior:
 <!-- A clear and concise description of what you expected to happen. -->
 
 
-### Screenshots:
+### Screenshots / Video / Sample image file:
 <!-- If applicable, add screenshots to help explain your problem. -->