docs: enhance README with detailed installation guide and features

[crStiv]

Description:

• Add Key Features section highlighting main capabilities
• Improve installation instructions with GPU/CPU variants
• Add system requirements and Python version compatibility
• Include version compatibility matrix
• Enhance readability of installation options
• Update documentation structure for better navigation

This commit aims to make the README more informative and user-friendly,
helping new contributors and users better understand the project's
capabilities and requirements.

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