Merge pull request #12 from fabriziosalmi/copilot/improve-documentation-quality

docs: Comprehensive audit - fix critical errors, add missing files, verify all endpoints

Author: fabriziosalmi

CHANGELOG.md

@@ -0,0 +1,111 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+- Comprehensive CONTRIBUTING.md with detailed contribution guidelines
+- LICENSE file (MIT License)
+- This CHANGELOG.md file to track project changes
+- Expanded API documentation with all available endpoints organized by category
+  - Authentication & Session Management endpoints
+  - Proxy Status & Settings endpoints  
+  - Blacklist Management endpoints
+  - Logs & Analytics endpoints
+  - Cache Management endpoints
+  - Security endpoints
+  - Database & Maintenance endpoints
+- Database management endpoints for optimization and statistics
+- Client and domain statistics endpoints
+- Security scanning endpoints
+- Table of Contents in README for better navigation
+- Quick Links section for easy access to key resources
+- Project structure diagram showing directory layout
+- FAQ section answering common questions
+- Security Configuration section with best practices
+- Enhanced Support section with detailed guidance
+- README files for examples/ and tests/ directories
+- Improved documentation for test scripts
+
+### Changed
+- Fixed repository URL in README.md (corrected from secure-proxy to secure-proxy-manager)
+- Improved API endpoint documentation with better categorization
+- Enhanced documentation structure and formatting
+- Updated Flask version badge (2.0+ → 3.0+)
+- Expanded environment variables documentation with all docker-compose variables
+- Renamed "Backup and Restore" section to "Database Export and Backup" for accuracy
+- Improved SSL certificate installation instructions with OS-specific details
+- Enhanced Contributing section with link to CONTRIBUTING.md
+- Updated License section with link to LICENSE file
+- Fixed internal link to Transparent Proxy Setup section
+- Improved test_import.sh script with comprehensive header documentation
+- Made test_import.sh executable
+
+### Fixed
+- Repository clone URL inconsistency in Quick Start guide
+- Removed non-existent API endpoints from documentation:
+  - `/api/maintenance/backup-config`
+  - `/api/maintenance/restore-config`
+  - `/api/maintenance/update-blacklists`
+  - `/api/maintenance/clear-cache`
+- Corrected network requirements with all actual ports (8011, 3128, 5001)
+- Fixed Backup and Restore section to reflect actual database export functionality
+- Updated environment variables table to match docker-compose.yml
+
+### Security
+- Added security warning about HTTPS filtering and man-in-the-middle inspection
+- Documented importance of changing default credentials
+- Added guidance for HTTPS deployment with reverse proxy
+- Included security best practices section
+
+## [1.0.0] - 2024-11-15
+
+### Added
+- Initial release of Secure Proxy Manager
+- Squid-based proxy engine with advanced caching
+- Flask-based backend API for proxy management
+- Modern Bootstrap 5 web UI
+- IP and domain blacklisting with CIDR and wildcard support
+- Blacklist import functionality (URL and direct content)
+- Support for multiple file formats (plain text, JSON)
+- Real-time traffic monitoring and analytics
+- Security scoring and assessment
+- Rate limiting protection
+- HTTPS filtering with SSL certificate management
+- Comprehensive logging and analysis
+- Configuration backup and restore
+- Health check endpoints
+- Docker containerization with docker-compose
+- Role-based access control
+- API documentation endpoint
+- End-to-end testing suite
+
+### Security
+- Basic authentication for API endpoints
+- Rate limiting to prevent brute force attacks
+- Security headers on all responses
+- SSL/TLS certificate validation
+- Configurable content policies
+
+## Version History Notes
+
+### How to Use This Changelog
+
+- **Added** - New features
+- **Changed** - Changes in existing functionality
+- **Deprecated** - Soon-to-be removed features
+- **Removed** - Removed features
+- **Fixed** - Bug fixes
+- **Security** - Security-related changes
+
+### Contributing
+
+When contributing, please update this changelog with your changes under the `[Unreleased]` section.
+Follow the format above and be concise but descriptive.
+
+[Unreleased]: https://github.com/fabriziosalmi/secure-proxy-manager/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/fabriziosalmi/secure-proxy-manager/releases/tag/v1.0.0