chat template3 in-app messaging3 real-time chat3 chat bubbles2 chat list2 chat screen2 chat ui2 customizable themes2 dark mode2 emoji support2 messaging app2 push notifications2 react native components2 user profile2 ai chat1 chat customization1 chat integration1 chat solution1 chat widget1 chatbot1 customer support1 messaging platform1 mobile app1 multi-session1 natural language processing1 react native1 react native cli1 react native expo1