Update README.md

Overhauled the entire application

README.md

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-OVN Web Application
-========================================
+# OVN Web Manager
 
-This application provides a web interface for OVN (Open Virtual Network)
+A modern web application for managing Open Virtual Network (OVN) through a beautiful and intuitive interface, designed to run on Ubuntu Server.
 
-Dependencies
-------------
+## Features
 
-The following Python packages are required to run the application:
+- Logical Switch Management
+- Logical Router Management
+- ACL Management
+- Load Balancer Configuration
+- Security Groups
+- Port Management
+- DHCP Configuration
+- NAT Configuration
+- Real-time Network Visualization
+- Multi-tenant Support
+
+## System Requirements
+
+- Ubuntu Server 22.04 LTS (minimal installation)
+- Internet connection for package installation
+- Minimum 2GB RAM
+- 20GB disk space
+
+## Quick Start
+
+1. Clone the repository:
+   ```bash
+   git clone https://github.com/yourusername/ovn-web-manager.git
+   cd ovn-web-manager
+   ```
+
+2. Make the installation script executable:
+   ```bash
+   chmod +x start.sh
+   ```
+
+3. Run the installation script:
+   ```bash
+   ./start.sh
+   ```
+
+The script will automatically:
+- Install all required system packages
+- Set up OVN and its dependencies
+- Configure the Python backend environment
+- Build and serve the React frontend
+- Start all necessary services
+
+Once completed, the application will be accessible at:
+- Frontend: `http://<server-ip>:3000`
+- Backend API: `http://<server-ip>:5000`
+
+## Components Installed
+
+- **System Packages**: git, curl, python3, nodejs, jq, and other dependencies
+- **OVN**: Latest version from Ubuntu repositories
+- **Frontend**: React-based web interface
+- **Backend**: Flask API server
+- **Database**: OVN native databases
+
+## Architecture
+
+- Frontend: React with Material-UI
+- Backend: Python Flask REST API
+- Network: OVN (Open Virtual Network)
+- Database: OVN native databases (northbound and southbound)
+
+## Security Notes
+
+- The application runs services on ports 3000 (frontend) and 5000 (backend)
+- Make sure to configure your firewall to allow access to these ports
+- Consider setting up HTTPS for production use
+- Default configuration listens on all network interfaces
+
+## Troubleshooting
+
+If you encounter issues:
+
+1. Check service status:
+   ```bash
+   systemctl status openvswitch-switch
+   systemctl status ovn-northd
+   systemctl status ovn-controller
+   ```
+
+2. View application logs:
+   ```bash
+   tail -f frontend.log
+   tail -f backend.log
+   ```
+
+3. Check OVN database connectivity:
+   ```bash
+   sudo ovn-nbctl show
+   sudo ovn-sbctl show
+   ```
+
+## Contributing
+
+Contributions are welcome! Please feel free to submit a Pull Request.
+
+## License
+
+MIT License