Add Docker as alternative quick start option

Author: PRODHOSH

README.md

@@ -169,60 +169,55 @@ Traditional encryption can be broken with enough computing power. **Quantum Key
 
 ### Prerequisites
 
-```bash
-Node.js 18+ and npm/yarn/bun
-```
+Choose one of the following:
+- **Node.js 18+** with npm/yarn/bun
+- **Docker** (no Node.js required)
 
-### Installation
+### Option 1: Using Node.js
 
 ```bash
 # Clone the repository
 git clone https://github.com/PRODHOSH/bb84_simulation.git
-
-# Navigate to project
 cd bb84_simulation
 
 # Install dependencies
 npm install
-# or
-yarn install
-# or
-bun install
 
 # Start development server
 npm run dev
-# or
-yarn dev
-# or
-bun dev
 ```
 
-### Build for Production
+### Option 2: Using Docker 🐳
 
 ```bash
-npm run build
-npm run preview
-```
+# Clone the repository
+git clone https://github.com/PRODHOSH/bb84_simulation.git
+cd bb84_simulation
 
----
+# Build and run with Docker
+docker build -t bb84-simulation .
+docker run -p 3000:80 bb84-simulation
 
-## 🐳 Docker Deployment
+# Access at http://localhost:3000
+```
 
-### Quick Start with Docker
+### Build for Production
 
 ```bash
-# Build the Docker image
-docker build -t bb84-simulation .
-
-# Run the container
-docker run -p 3000:80 bb84-simulation
+# Node.js
+npm run build
+npm run preview
 
-# Access at http://localhost:3000
+# Or with Docker
+docker build -t bb84-simulation .
+docker run -d -p 3000:80 bb84-simulation
 ```
 
-### Docker Compose (Optional)
+---
+
+## 🐳 Docker Compose (Optional)
 
-Create a `docker-compose.yml`:
+For easier container management, create a `docker-compose.yml`:
 
 ```yaml
 version: '3.8'