docs: update readme (#3673)

README.md

@@ -50,6 +50,9 @@ var styles = StyleSheet.create({
 });
 ```
 
+## Community support
+We have an discord server where you can ask questions and get help. [Join the discord server](https://discord.gg/WXuM4Tgb9X)
+
 ## Enterprise Support
 <p>
   📱 <i>react-native-video</i> is provided <i>as it is</i>. For enterprise support or other business inquiries, <a href="https://www.thewidlarzgroup.com/">please contact us 🤝</a>. We can help you with the integration, customization and maintenance. We are providing both free and commercial support for this project. let's build something awesome together! 🚀