feat: enhance Python cheat sheet with visual mindmap and comprehensive examples

- Add collapsible Python mindmap for visual learning reference
- Expand data types, operators, and function arguments with detailed code examples
- Add Conda environment management alongside venv documentation
- Remove duplicate sections (decorators, context managers) for better organization
- Add CSS animations to highlight Interview Question Resources on homepage
- Improve overall readability and structure with consistent formatting

Author: singhsidhukuldeep