Readme.md file added

Author: Krishna Kant

README.md

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+# React Native WhatsApp Clone with Clerk
+
+This is a React Native WhatsApp clone using [Clerk](https://clerk.com/?utm_source=sponsorship&utm_medium=github&utm_campaign=simong&utm_content=rn-whatsapp) for user authentication with OTP.
+
+Additional features:
+
+- [Expo Router](https://docs.expo.dev/routing/introduction/) file-based navigation
+- [SMS OTP](https://clerk.com/docs/custom-flows/email-sms-otp?utm_source=sponsorship&utm_medium=github&utm_campaign=simong&utm_content=rn-whatsapp) Auth with Clerk
+- [Reanimated](https://docs.swmansion.com/react-native-reanimated/) 3 for animations
+- [Gesture Handler](https://docs.swmansion.com/react-native-gesture-handler/) for gestures
+- [Gifted Chat](https://github.com/FaridSafi/react-native-gifted-chat) for chat UI
+
+## Screenshots
+
+<div style="display: flex; flex-direction: 'row';">
+<img src="./screenshots/1.png" width=30%>
+<img src="./screenshots/4.png" width=30%>
+<img src="./screenshots/5.png" width=30%>
+<img src="./screenshots/6.png" width=30%>
+<img src="./screenshots/7.png" width=30%>
+<img src="./screenshots/8.png" width=30%>
+<img src="./screenshots/9.png" width=30%>
+
+</div>
+
+## Demo
+
+<div style="display: flex; flex-direction: 'row';">
+<img src="./screenshots/calls.gif" width=40%>
+<img src="./screenshots/chats.gif" width=40%>
+<img src="./screenshots/contacts.gif" width=40%>
+<img src="./screenshots/messages.gif" width=40%>
+
+</div>
+
+### Prerequisites
+
+- Node.js and npm installed on your machine.
+- Expo CLI (if you don't have it, install it globally using `npm install -g expo-cli`)
+- Make sure Android studio install in your local machine then using android emulator run app on your emulator.
+
+## How to Start the Project
+
+Follow these steps to run the Number Guess Games on your local machine:
+
+1. **Clone the Repository**:
+   Clone this repository to your local machine using the following command:
+
+   ```bash
+   git clone https://github.com/kabhinav577/react-native-whatsapp.git
+   ```
+
+2. Navigate to the Project Directory:
+
+   ```
+   cd react-native-whatsapp
+
+   ```
+
+3. Install Dependencies:
+
+   ```
+   npm install
+
+   ```
+
+4. Start the Development Server:
+
+   ```
+   npm start
+
+   ```
+
+5. Access the App:
+
+   Download Expo go from play store and Scan **Expo Qr Code** from Expo go app.
+
+## Authors
+
+- [@krishna Kant singh](https://krishnakant-singh.vercel.app/)