Enhance Documentation with Pipeline Images and Streamlined Content

[JSchmie]

This PR introduces the following updates:

1. Added Pipeline Images: Reintroduced and resized images of the ScrAIbe pipeline for better readability and a cleaner layout.
2. Refined Documentation: Adjusted content structure to improve clarity, including:
   • Streamlined installation instructions.
   • Highlighted Python and CLI usage examples.
3. Updated Contributions Section: Enhanced visibility of contribution guidelines and acknowledgments.

Purpose

These changes aim to improve user experience by providing a concise, visually appealing overview of the ScrAIbe pipeline and ensuring the documentation remains user-friendly and well-organized.

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Preview

• Pipeline images are now displayed at 40% width for better integration.
• Cleaner separation of sections with clear headings and examples.

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Notes

• No breaking changes introduced.
• Ready for review and feedback.