add issue tamplates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Create a report to help us improve
+title: "[BUG] A brief description of the bug"
+labels: 'bug'
+assignees: ''
+---
+
+**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
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots or Screencasts**
+If applicable, add screenshots or a short screen recording (GIF) to help explain your problem.
+
+**Environment (please complete the following information):**
+ - Operating System: [e.g. Windows 10, macOS Sonoma, Ubuntu 22.04]
+ - Obsidian Version: [e.g. 1.5.8]
+ - Checkbox Sync Plugin Version: [e.g. 1.1.0]
+
+**Additional context**
+Add any other context about the problem here. For example:
+- Does the issue happen with specific file content or structure?
+- Does it happen with default plugin settings?
+- Check the developer console (Ctrl+Shift+I or Cmd+Option+I), are there any errors related to 'checkbox-sync'? (Paste relevant errors here within code blocks ```like this```)

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Suggest an idea for this project
+title: "[FEAT] A brief description of the feature"
+labels: 'enhancement' 
+assignees: ''
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen. How should the new feature work?
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context, mockups, or screenshots about the feature request here. Why would this feature be useful to other users?