Update issue templates

Add bug issue template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,30 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Summary:**
+A clear and concise description of what the bug is.
+
+** 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.
+
+**Platform:**
+ - Browser and version [e.g. Chrome 88, Safari 12]
+ - OS and version: [e.g. Windows, Mac 10.15, iOS 13.1]
+
+**Additional context**
+Add any other context about the problem here.