feat: add send_business_notification

Author: withchao

docs/restapi/apis/messageManagement/send_business_notification.mdx

@@ -11,7 +11,7 @@ hide_title: true
 </center>
 
 ### 简要描述
-- 根据业务需要，发送通知消息。
+- 业务服务发送自定义通知，客户端会收到OnRecvCustomBusinessMessage回调
 ### 请求方式
 - `post` 
 ### 请求URL
@@ -47,7 +47,7 @@ hide_title: true
 |key|必填|string|根据业务分类，客户端可以通过改字段用不同方法处理`data`|
 |data|必填|string|业务数据|
 |sendMsg|选填|bool|是否已消息形式发送，默认: false|
-|reliabilityLevel|选填|int|通知消息的可靠基本，1: 在线推送。2: 必达通知(会在消息表中存储)，默认: 1|
+|reliabilityLevel|选填|int|通知消息的可靠基本，1: 在线推送。2: 必达通知(断线重连或重新登录也会触发，用于必达的场景，该可靠性等级下，由于是顺序全量同步，建议不能发送过多，否则会影响客户端消息同步性能)，默认: 1|
 ### 成功返回示例
 
 

i18n/en/docusaurus-plugin-content-docs-restapi/current/apis/messageManagement/send_business_notification.mdx

@@ -11,7 +11,7 @@ hide_title: true
 </center>
 
 ### Brief Description
-- Send notification messages according to business needs.
+- The business service sends a custom notification, and the client receives the OnRecvCustomBusinessMessage callback
 
 ### Request Method
 - `post`
@@ -48,7 +48,7 @@ hide_title: true
 |key| Required |string|Depending on the business classification, the client can process `data` in different ways by changing the field|
 |data| Required |string|Business data|
 |sendMsg| Optional |bool|Whether to send as a message, default: false|
-|reliabilityLevel| Optional |int|The reliability of notification messages, 1: online push. 2: must-have notification (will be stored in the message table), default: 1|
+|reliabilityLevel| Optional |int|The reliability of notification messages is as follows: 1: Online push. 2: Must-reach notification (will also be triggered by disconnection and reconnection or re-login, used for scenarios where must-reach notifications are required. At this reliability level, since it is a sequential full synchronization, it is recommended not to send too many messages, otherwise it will affect the client message synchronization performance). Default: 1|
 
 
 ### Success Response Example