基于netty的基础Tcp客户端

 ├──channel          管道配置
 ├──handler          消息处理器
 ├──server           服务配置
 ├──store            频道存储
 ├──utils            工具包
 ├──NettyClientApplication.java   主启动类

# 1. 发送消息
/send?message=hello
# 2. 连接
/connect?ip=192.168.0.99&port=20000
# 3. 重连
/reconnect
# 5. 发送json
```json
Request URL:  http://localhost:9999/send/json
Request Method: POST
Request Headers:
{
   "Content-Type":"application/json"
}
Request Body:
{
   "msgId": 1,
   "type": 1,
   "data": {
            "message":"hello"
           }
}