[docs] Add README for docs directory

docs/README.md

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+# ComfyUI-Manager: Documentation
+
+This directory contains documentation for the ComfyUI-Manager, providing guides and tutorials for users in multiple languages.
+
+## Directory Structure
+
+The documentation is organized into language-specific directories:
+
+- **en/**: English documentation
+- **ko/**: Korean documentation
+
+## Core Documentation Files
+
+### Command-Line Interface
+
+- **cm-cli.md**: Documentation for the ComfyUI-Manager Command Line Interface (CLI), which allows using manager functionality without the UI.
+
+### Advanced Features
+
+- **use_aria2.md**: Guide for using the aria2 download accelerator with ComfyUI-Manager for faster model downloads.
+
+## Documentation Standards
+
+The documentation follows these standards:
+
+1. **Markdown Format**: All documentation is written in Markdown for easy rendering on GitHub and other platforms
+2. **Language-specific Directories**: Content is separated by language to facilitate localization
+3. **Feature-focused Documentation**: Each major feature has its own documentation file
+4. **Updated with Releases**: Documentation is kept in sync with software releases
+
+## Usage in the Application
+
+The documentation serves multiple purposes:
+
+1. **User Guides**: Help users understand how to use ComfyUI-Manager features
+2. **Developer References**: Provide technical details for developers extending the manager
+3. **Troubleshooting**: Offer solutions to common issues
+4. **Feature Discovery**: Expose users to advanced features they might not discover on their own
+
+## Contributing to Documentation
+
+When contributing new documentation:
+
+1. Place files in the appropriate language directory
+2. Use clear, concise language appropriate for the target audience
+3. Include examples where helpful
+4. Consider adding screenshots or diagrams for complex features
+5. Maintain consistent formatting with existing documentation
+
+## Future Documentation
+
+As ComfyUI-Manager evolves, additional documentation will be added for:
+
+- Advanced security configuration
+- Custom channel creation
+- API reference for programmatic integration
+- Snapshot management best practices
+- Component system usage
+- Custom node development guidelines
+
+This documentation directory will continue to grow to support the expanding feature set of ComfyUI-Manager.