Revert "Revert "Merge branch 'hxb' into wjc""

wjc

2023-06-28 14de918a79943e4961b09fa01ed320c6cad41f2e

 HDLLinkLocalSdk/src/main/java/com/hdl/sdk/link/socket/client/IHeartbeat.java

New file
@@ -0,0 +1,8 @@
package com.hdl.sdk.link.socket.client;

/**
 * Created by hxb on 2022/2/16.
 */
public interface IHeartbeat {
    void heartbeat();
}