Refactor section headers in README.md

Updated section headers for improved clarity and consistency.

Author: Umar-444

README.md

@@ -4,7 +4,7 @@
 
 This repository provides comprehensive security best practices and examples for PHP and Laravel web applications.
 
-## 📚 Documentation
+## Documentation
 
 ### Core Security Guides
 - **[PHP Security Fundamentals](docs/PHP.md)** - Essential PHP security practices including input validation, XSS prevention, and secure authentication
@@ -16,7 +16,7 @@ This repository provides comprehensive security best practices and examples for
 ### Security Policy
 - **[Security Policy](SECURITY.md)** - Vulnerability reporting guidelines and supported versions
 
-## 💻 Code Examples
+## Code Examples
 
 ### PHP Examples
 - **[Secure Login System](examples/PHP/SecureLogin.php)** - Complete secure authentication implementation with session management
@@ -26,15 +26,15 @@ This repository provides comprehensive security best practices and examples for
 - **[Security Headers Middleware](examples/Laravel/Middleware/SecureHeaders.php)** - Laravel middleware for implementing security headers
 - **[File Validation Guide](examples/Laravel/FileValidationExample.md)** - Comprehensive file upload validation for Laravel applications
 
-## 🚀 Quick Start
+## Quick Start
 
 1. **Review the Security Checklist** - Start with [docs/Checklist.md](docs/Checklist.md) for a comprehensive overview
 2. **Learn PHP Security Basics** - Read [docs/PHP.md](docs/PHP.md) for fundamental PHP security practices
 3. **Master Laravel Security** - Study [docs/Laravel.md](docs/Laravel.md) for Laravel-specific security features
 4. **Check Code Examples** - Implement secure patterns using the examples in the `examples/` directory
 5. **Secure Your Deployment** - Follow [docs/SecureDeployment.md](docs/SecureDeployment.md) for production security
 
-## 🔒 Key Security Topics Covered
+## Key Security Topics Covered
 
 ### Authentication & Authorization
 - Secure password hashing and verification
@@ -60,29 +60,29 @@ This repository provides comprehensive security best practices and examples for
 - Dependency vulnerability management
 - Code security analysis
 
-## 🛡️ Security Features
+## Security Features
 
 - **Automated Security Scanning** - GitHub Actions workflow for continuous security monitoring
 - **Code Quality Checks** - PHPStan, Psalm, and security linting
 - **Dependency Scanning** - Automated vulnerability detection in third-party packages
 - **Secret Detection** - Prevention of sensitive data exposure
 
-## 📋 Contributing
+## Contributing
 
 1. Fork the repository
 2. Create a feature branch
 3. Make your security improvements
 4. Add tests and documentation
 5. Submit a pull request
 
-## 📄 License
+## License
 
 This project is licensed under the MIT License - see the LICENSE file for details.
 
-## ⚠️ Disclaimer
+## Disclaimer
 
 This repository provides security best practices and examples. Always perform security testing and code reviews before deploying to production. Security is an ongoing process that requires regular updates and monitoring.
 
 ---
 
-**Need Help?** Check the [Security Checklist](docs/Checklist.md) or open an issue following our [Security Policy](SECURITY.md).
+**Need Help?** Check the [Security Checklist](docs/Checklist.md) or open an issue following our [Security Policy](SECURITY.md).