feat: 新增毛隅手记服务内部管理接口客户端及配置

新增 maoyuAdminApi 配置段到模板和示例配置，实现 maoyuadmin 客户端，包含请求签名、响应解析等功能，配套单元测试

server/manifest/config/config.example.yaml

@@ -324,6 +324,13 @@ imInternalApi:
   serviceName: "hotgo-admin"
   serviceSecret: "${IM_INTERNAL_API_SECRET}"
 
+# 毛隅手记服务（maoyu_server）内部管理接口
+maoyuAdminApi:
+  baseUrl: "http://maoyu-server.maoyu-system.svc.cluster.local:8080"
+  serviceName: "hotgo-admin"
+  serviceSecret: "${MAOYU_INTERNAL_API_SECRET}"
+  timeout: "5s"
+
 imWorkbenchApi:
   baseUrl: "http://im-workbench.workbench-system.svc.cluster.local:6061"
   serviceName: "hotgo-admin"

server/manifest/config/config.template

@@ -321,6 +321,13 @@ imInternalApi:
   serviceName: "$IM_INTERNAL_API_SERVICE_NAME"
   serviceSecret: "$IM_INTERNAL_API_SECRET"
 
+# 毛隅手记服务（maoyu_server）内部管理接口
+maoyuAdminApi:
+  baseUrl: "$MAOYU_ADMIN_API_BASE_URL"
+  serviceName: "$MAOYU_ADMIN_API_SERVICE_NAME"
+  serviceSecret: "$MAOYU_INTERNAL_API_SECRET"
+  timeout: "5s"
+
 imWorkbenchApi:
   baseUrl: "$IM_WORKBENCH_API_BASE_URL"
   serviceName: "$IM_WORKBENCH_API_SERVICE_NAME"