🔨 Update issue templates

Author: hwding

.github/ISSUE_TEMPLATE/bug-or-performance-issue-report.md

@@ -0,0 +1,23 @@
+---
+name: Bug or performance issue report
+about: Create a report to help us improve
+title: "[Bug / Performace Issue]"
+labels: ''
+assignees: hwding
+
+---
+
+**Describe the issue**
+A clear and concise description of what the bug is.
+
+**Version**
+The version of unstamper you were using when encountered this issue.
+
+**Arguments**
+Options you used to run the unstamper.
+
+**Expected behavior**
+A brief description of what you expected to happen.
+
+**Original file(s)**
+Provide original file(s) if possible.