Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+
+A clear and concise description of what the bug is, and what you expected to happen.
+
+**To Reproduce**
+
+Provide a short script that reproduces the erroneous behavior.
+
+If that is impossible, provide clear steps to reproduce the behavior.