Add bug report template (#13)

Author: han-so1omon

.github/ISSUE_TEMPLATE/issue-report.md

@@ -0,0 +1,32 @@
+---
+name: Issue report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the issue**
+A clear and concise description of what the issue is.
+
+**To reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**System information (please complete the following information):**
+ - OS: [e.g. alpine linux]
+ - Sub-program: [e.g. message verifier, xcall, goloop]
+ - Version (if applicable): [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.