Improve README readability with better structure and formatting

[bingikarthik]

This PR enhances the README.md file with improved readability and organization:

• Restructured content with clearer, more descriptive section headings
• Added a concise overview section and improved introductory text
• Reformatted the architecture section with bulleted lists for better scannability
• Improved installation instructions with proper code blocks and formatting
• Reorganized component descriptions for better clarity
• Fixed typos and improved consistency in terminology and punctuation
• Enhanced verification steps with clearer instructions and formatting
• Added better visual separation between sections for easier navigation

These changes make the documentation more accessible to new users while maintaining all the technical details and instructions from the original document.

[linux-foundation-easycla]

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Hi @bingikarthik. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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