add bug report template

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,25 @@
+---
+name: "Bug report"
+about: Report a bug or other issue
+title: "[Bug]: "
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+Describe what the bug or issue is about concisely.
+
+**How to reproduce the bug**
+Steps to reproduce the behavior:
+
+**Expected behavior**
+Describe what you expected to happen.
+
+**Environment details**
+ - OS: [e.g., Windows, MacOS]
+ - Python Version: [e.g., 3.9]
+ - Package Version: [e.g., 1.2.0]
+
+**Additional information**
+Add any other context about the problem here. Screenshots or other additional information can be attached too.