Update README.md

Author: jaeyunn15

README.md

@@ -7,6 +7,7 @@ Currently, support only for Coroutine Flow.
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 ## Feature
 - WebSocket connection using OkHttp3.
+- Regardless of the state of your app, if it's alive, it will automatically manage to stay connected. 
 - Provide retry and reconnect handling based on the application's network and socket state. (I called it valve cache, recovery cache)
 - Provide the ability to automatically recover requests via the last request cache.
 - Provides two converter adapters: (gson, kotlinx.serialization) (default adapter is kotlinx.serialization)