chore: Bug template (#637)

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,28 @@
+---
+name: Bug Report
+description: 'Report a bug encountered while using CryoET Data Portal"
+title: 'Bug'
+labels: bug
+assignees: ''
+---
+
+
+**Describe the bug**
+A clear and concise description of what the bug is and what you expected to happen.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser: [e.g. chrome, safari]
+
+**Additional context**
+Add any other context about the problem here.