docs: improve README structure and add visual enhancements

- Add badges (License, Python version, Platform) to header
- Reorganize table of contents with emoji icons
- Use collapsible sections for installation commands
- Group installation parameters by category
- Add step-by-step usage guide with numbered steps
- Improve troubleshooting section with categorized issues
- Add resource links table with mirror support
- Add contributors badge
- Add emoji icons for better visual appeal
- Improve overall document readability and navigation

Author: dongly