Add Readme.md with project overview, features, installation instructions, and usage details

Readme.md

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+# Flight Route Optimization
+
+## Overview
+This project focuses on optimizing flight routes to minimize travel time and costs using advanced algorithms and data analysis techniques.
+
+## Features
+- Efficient route calculation
+- Cost optimization
+- Real-time data integration
+- User-friendly interface
+
+## Installation
+1. Clone the repository:
+    ```bash
+    git clone https://github.com/yourusername/Flight_Route_Optimization.git
+    ```
+2. Navigate to the project directory:
+    ```bash
+    cd Flight_Route_Optimization
+    ```
+3. Install the required dependencies:
+    ```bash
+    pip install -r requirements.txt
+    ```
+
+## Usage
+1. Run the main script:
+    ```bash
+    python main.py
+    ```
+2. Follow the on-screen instructions to input your flight details.