Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Experiencing a bug? Report it so it can be caught!
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**How to reproduce**
+Steps to reproduce the behaviour:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behaviour**
+A clear and concise description of what you expected to happen (unless that is so obvious that it would be particularly hard to miss).
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**System details**
+ - Android version [e.g. Android 7]
+ - App version [e.g. 1.3.8]
+
+**Additional context**
+Add any other context about the problem here.
+
+**Relevant?**
+- [ ] This is an issue specifically with the Android app