Update README.md

Author: ibelgin

README.md

@@ -1,2 +1,73 @@
-# Chat_App_React_Native
-This is A Chat App Made Using Firebase And React Native With The Help Of GiftedChat Module
+# Chat App In React Native
+
+### This Chat App is Made Using React Native , Firebase With GiftedChat
+
+### Installing
+
+> Clone This Repo To Your PC 
+
+> Run npm install
+
+> TODO
+
+> Run The App
+
+## TODO 
+
+* Follow The Installation at https://github.com/react-native-community/google-signin
+
+* Get WebClientID ( Login Page )
+
+```javascript
+GoogleSignin.configure({
+   scopes: ["https://www.googleapis.com/auth/userinfo.profile"],
+   webClientId: '******', // TODO : Get WebClient ID From Firebase By Enabling Google SIGN In
+   offlineAccess: true, // if you want to access Google API on behalf of the user FROM YOUR SERVER
+   forceCodeForRefreshToken: true, // [Android] related to `serverAuthCode`, read the docs link below *.
+ });
+```
+
+* Firebase Configuration's ( Fire.js )
+
+```javascript
+firebase.initializeApp({
+   apiKey: "***",
+   authDomain: "***",
+   databaseURL: "***",
+   projectId: "***",
+   storageBucket: "***",
+   messagingSenderId: "***",
+   appId: "***",
+   measurementId: "***"
+ });
+```
+
+## Built With
+
+* React Native
+* react-native-firebase
+* react-native-gifted-chat
+* react-native-community/google-signin
+
+## Check Out My Youtube Channel
+
+[Youtube Channel - Belgin Android](https://youtube.com/c/belginandroid)
+
+## Sample Preview
+
+<img src="https://user-images.githubusercontent.com/61349423/94794860-1ab97080-03fa-11eb-8e87-eba1c55b8a4b.jpg" width="282" height="501">
+
+## Authors
+
+* **Belgin Android** - *All Works* - [Belgin Android](https://github.com/Belgin-Android)
+
+## Problems ?
+
+* Contact Me At [Instagram - @reactnative.modules](https://www.instagram.com/reactnative.modules/)
+
+## Acknowledgments
+
+* Hat tip to anyone whose code was used
+* Inspiration
+* etc
+