添加启动远端service

Signed-off-by: Nql <qianli16@huawei.com>

zh-cn/application-dev/ability/fa-serviceability.md

@@ -94,6 +94,21 @@ let promise = featureAbility.startAbility(
 - 如果Service尚未运行，则系统会先调用onStart()来初始化Service，再回调Service的onCommand()方法来启动Service。
 - 如果Service正在运行，则系统会直接回调Service的onCommand()方法来启动Service。
 
+启动远端设备Service的代码示例如下（getRemoteDeviceId()方法详见连接远程Service）：
+
+```javascript
+import featureAbility from '@ohos.ability.featureAbility';
+let promise = featureAbility.startAbility(
+    {
+        want:
+        {
+            deviceId: getRemoteDeviceId(),    //远端设备Id
+            bundleName: "com.jstest.service",
+            abilityName: "com.jstest.service.ServiceAbility",
+        },
+    }
+); 
+```
 
 
 ### 停止Service