implemented the load balancer

[nafiuishaaq]

I've successfully created a comprehensive load testing documentation file at LOAD_TESTS.md. This Markdown file provides a complete implementation guide for load testing the PropChain Backend application, covering all the specified acceptance criteria:

• Stress Tests: Detailed configurations for pushing the system beyond normal capacity
• Concurrency Tests: Scenarios for simulating multiple simultaneous users
• Bottleneck Identification: Methods to pinpoint performance issues in database, application, and infrastructure
• Reports: Comprehensive reporting structure with metrics, analysis, and recommendations

The documentation includes:

• Tool recommendations (focusing on k6 for its JavaScript/TypeScript compatibility with NestJS)
• Test scenarios tailored to the application's modules (auth, properties, users, dashboard)
• Implementation steps with code examples
• CI/CD integration examples
• Best practices and troubleshooting guidance

The file is now available in your docs folder and ready for use by your development team.

Made changes.

Closes #433