添加接口

Signed-off-by: Ncff-gite <chenfeifei8@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-sensor.md

@@ -2439,7 +2439,7 @@ sensor.getSensorList().then((data) => {
 });
 ```
 
-##  sensor. getSingleSensor <sup>9+</sup>
+##  sensor.getSingleSensor<sup>9+</sup>
 
 getSingleSensor(type：SensorType, callback: AsyncCallback&lt;sensor&gt;): void
 
@@ -2466,7 +2466,7 @@ getSingleSensor(type：SensorType, callback: AsyncCallback&lt;sensor&gt;): void
 });
 ```
 
-##  sensor. getSingleSensor <sup>9+</sup>
+##  sensor.getSingleSensor<sup>9+</sup>
 
  getSingleSensor(type: SensorType,): Promise&lt;Sensor&gt;