Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Report something broken in the app
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+## Pre-submission checklist
+- [ ] I am submitting a bug report, not a feature request. Feature requests should be posted under the Discussions tab, not Issues.
+- [ ] I am running the latest version of Loop Habit Tracker.
+- [ ] I have have searched for similar issues, but did not find any matches.
+
+## Bug description
+A clear and concise description of what the problem is.
+
+## Steps 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.
+
+## Screenshots
+If applicable, add screenshots to help explain your problem.
+
+## Environment
+ - Phone: [e.g. Google Pixel 4]
+ - OS: [e.g. Android 10]
+ - App version: [e.g. Loop Habit Tracker 1.8.9]]