feat: add comprehensive keyboard shortcuts for improved navigation and productivity

README.md

@@ -15,6 +15,7 @@ make test
 
 ## 📚 Documentation
 - **[Features Guide](docs/FEATURES.md)** - Complete feature documentation
+- **[Keyboard Shortcuts](docs/KEYBOARD_SHORTCUTS.md)** - Keyboard shortcuts for efficient navigation
 - **[Export System](docs/EXPORT_SYSTEM.md)** - Data export functionality and formats
 - **[Development Guide](docs/DEVELOPMENT.md)** - Testing, development, and architecture
 - **[Changelog](docs/CHANGELOG.md)** - Version history and feature evolution
@@ -483,6 +484,30 @@ thechart_data.csv   # User data (created on first run)
 - **`pyproject.toml`**: Project configuration and dependencies
 - **`uv.lock`**: Dependency lock file
 
+### Keyboard Shortcuts
+```bash
+# File Operations
+Ctrl+S          # Save/Add new entry
+Ctrl+Q          # Quit application
+Ctrl+E          # Export data
+
+# Data Management
+Ctrl+N          # Clear entries
+Ctrl+R / F5     # Refresh data
+
+# Window Management
+Ctrl+M          # Manage medicines
+Ctrl+P          # Manage pathologies
+
+# Table Operations
+Delete          # Delete selected entry
+Escape          # Clear selection
+Double-click    # Edit entry
+
+# Help
+F1              # Show keyboard shortcuts help
+```
+
 ---
 
 ## Why uv?