Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: File a bug report and help us improve LiveKit
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Server**
+- Version: [0.x.x]
+- Environment: [e.g. local dev, EKS]
+- any other information about your deployment setup
+
+**Client**
+- SDK: [e.g. js, ios]
+- Version: [0.x.x]
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. two clients are connected to room
+2. 3rd client joins
+3. 3rd client does '...'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.