1.7.0

1, perf: WebSocketManager uses channel processing when executing send tasks to avoid parallel execution of individual WebSocket objects.
2, perf: Optimize sending performance.
3, feat: WebSocketManager adds forwarding streams.
4, feat: Add a synchronization switch for forwarding task processing at Option
5, feat: Add connection level restrictions
6, feat: EndPoint level restrictions
7, feat: add sub protocol support.
8, feat: There are 6 different moments for adding a request pipeline.