Complete Phase 1 foundation: Tasks 1.1 and 1.2

✅ Task 1.1 - Project Foundation Setup:
- Repository structure with Python packaging (setup.py, pyproject.toml)
- Development dependencies and requirements
- Contributing guidelines and MIT license
- GitHub workflows for CI/CD (test.yml, release.yml)
- Issue and PR templates for community contributions
- Comprehensive project documentation

✅ Task 1.2 - Core Client Structure:
- wikijs package with proper module organization
- Core client class foundation in client.py
- Exception hierarchy for error handling
- Base model classes and page models
- Type checking support (py.typed)
- Utility modules and helper functions

📊 Progress: Phase 1 MVP Development now 40% complete
🎯 Next: Task 1.3 - Authentication System implementation

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

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

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,49 @@
+---
+name: Bug Report
+about: Create a report to help us improve
+title: '[BUG] '
+labels: ['bug']
+assignees: ''
+---
+
+## Bug Description
+A clear and concise description of what the bug is.
+
+## Steps 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.
+
+## Actual Behavior
+A clear and concise description of what actually happened.
+
+## Code Example
+If applicable, add code snippets to help explain your problem.
+
+```python
+# Your code here
+```
+
+## Environment
+- **SDK Version**: [e.g. 0.1.0]
+- **Python Version**: [e.g. 3.11.0]
+- **Operating System**: [e.g. Ubuntu 22.04]
+- **Wiki.js Version**: [e.g. 2.5.300]
+
+## Error Messages
+If applicable, add any error messages or stack traces.
+
+```
+Paste error messages here
+```
+
+## Additional Context
+Add any other context about the problem here.
+
+## Possible Solution
+If you have suggestions on how to fix the bug, please describe them here.