New React Native UIKit! + New Voice Message for iOS, Android, and React UIKits

:rocket:Attention React Native developers! :rocket:The latest Sendbird Chat UIKit now supports high-scale open channels and supergroups. :tada::busts_in_silhouette::speech_balloon:Create engaging public and private chat experiences for up to millions of participants by checking out our documentation and Github repository! Also, The Sendbird Chat UIKits now support voice messaging on React, iOS, and Android! :studio_microphone::iphone::speech_balloon: Add a more engaging and expressive way to communicate to your chat app today by checking out the documentation.