Revise README for improved clarity and organization

[Dippp10-ally]

Description

This PR enhances the README by improving its structure, formatting, and overall readability. The documentation has been reorganized into clearly defined sections, making it easier for users and contributors to navigate, understand the project, and access important information.

The changes focus on documentation quality only and do not modify any application functionality.

Related Issue

Closes #314

Type of Change

• 📝 Documentation update
• 🎨 Style / UI improvement
• 🐛 Bug fix
• ✨ New feature
• 💥 Breaking change
• ♻️ Refactor
• ⚡ Performance improvement
• 🧪 Test addition or update
• 🔧 Chore / Tooling / Config

Changes Made

• Reorganized README sections for improved navigation and readability
• Improved heading hierarchy and markdown formatting
• Enhanced project overview and repository purpose presentation
• Refined feature listing for better clarity
• Improved organization of build, configuration, and release documentation
• Better separation of policy, privacy, licensing, and support sections
• Cleaned up formatting inconsistencies throughout the README
• Maintained all existing project information while improving presentation

Screenshots (if applicable)

• README before/after structure comparison
• Preview of improved section organization and formatting

Testing

• Verified markdown renders correctly on GitHub
• Checked internal documentation links and references
• Reviewed formatting consistency across all sections

Checklist

• My changes follow the project's documentation style
• I have performed a self-review of my changes
• Documentation remains accurate and up to date
• No broken markdown formatting or links were introduced
• No application functionality was modified

[Dippp10-ally]

@ProdigyV21 ji , do assign labels called as gssoc:approved , level:intermediate , type:docs , quality:exceptional to above pull request number 324 also....do merge above pull request number 324 also..
I have implemented changes you requested .....