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: "[BUG]"
+labels: ''
+assignees: ''
+
+---
+
+# Must have
+- WhatsApp version: <WhatsApp version> - <Android/iOS>
+- Platform: <Linux/Windows/MacOS>
+- Branch and version: <main/dev> - <exporter version>
+
+If it is an error yield by Python, please also provide the trackback
+```
+<trackback here>
+```
+
+# Nice to have
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**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.
+
+**Additional context**
+Add any other context about the problem here.