added adaptive weight balancing algorithm

src/proxy/mod.rs

@@ -40,4 +40,4 @@ impl Drop for ConnectionContext {
             duration.as_secs_f64()
         );
     }
-}
+}

src/proxy/tcp.rs

@@ -23,4 +23,4 @@ pub async fn proxy_tcp_connection(connection_id: u64, mut client_stream: TcpStre
     ctx.bytes_transferred = tx + rx;
 
     Ok(())
-}
+}