Add GitHub Project Board setup and issue templates

- Add comprehensive PROJECT_BOARD_SETUP.md with 20 issues
- Create 3 milestones: v1.1.0, v1.2.0, v2.0.0
- Add issue templates: feature, bug, documentation
- Add PR template with checklist
- Define labels for priority, type, component, status
- Include setup instructions for web UI and CLI

Features:
- 6-column project board structure
- 20 pre-defined issues covering website, core improvements, advanced features
- Custom fields: Effort, Impact, Category
- Success metrics and community engagement guidelines

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,48 @@
+# Pull Request
+
+## 📋 Description
+
+Brief description of changes made.
+
+## 🔗 Related Issues
+
+Closes #(issue number)
+Relates to #(issue number)
+
+## 🎯 Type of Change
+
+- [ ] 🐛 Bug fix (non-breaking change which fixes an issue)
+- [ ] ✨ New feature (non-breaking change which adds functionality)
+- [ ] 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] 📚 Documentation update
+- [ ] ♻️ Code refactoring
+- [ ] ⚡ Performance improvement
+- [ ] 🧪 Test update
+
+## ✅ Checklist
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published
+
+## 🧪 Testing
+
+Describe the tests you ran to verify your changes.
+
+**Test Configuration:**
+- Python version:
+- OS:
+- Dependencies installed:
+
+## 📸 Screenshots (if applicable)
+
+Add screenshots to demonstrate visual changes.
+
+## 📝 Additional Notes
+
+Any additional information reviewers should know.