v2.1.0 - Plugin-based Architecture Major Changes: - Plugin-based architecture with externalized sources.json configuration - Default CSS selectors with optional per-source override - GitLab CI/CD for automatic Docker builds - Simplified configuration (selectors optional for most DDL sites) - GitHub-compliant neutral tool design Features: - Configurable sources via JSON - Auto-merge with default selectors - Docker images: registry.gitlab.com/bon-sama/downarr - Complete documentation and examples