Enhance README with improvement suggestions

[Dippp10-ally]

Description

Improved the README formatting and structure to make the documentation clearer, more organized, and easier to navigate. Updated section hierarchy, refined headings, standardized markdown formatting, and enhanced overall readability for contributors and users.

Related Issue

Fixes #141

Type of Change

• Bug fix
• New feature / enhancement
• Documentation update
• Test addition
• Refactor

Checklist

• I have read the contribution guidelines.
• My changes only affect documentation.
• I have reviewed the README for clarity and consistency.
• No code changes were introduced.
• The documentation renders correctly in Markdown preview.

Summary of Changes

• Reorganized README sections for better structure.
• Improved heading hierarchy and formatting consistency.
• Enhanced readability with clearer content organization.
• Standardized markdown styling and spacing.
• Updated documentation flow for a better user experience.

[Dippp10-ally]

@madanrajsagar ji , do assign labels called as gssoc:approved , level:intermediate , type:docs , quality:exceptional to above pull request number 142 also.....do merge above pull request number 142 also...