Update documentation

README.md

 ```
 
 - Add under AndroidManifest.xml application tag
+
 ```
 <application>
     ...
 
 ```
 > Note: Some of these interfaces or methods require APP to issue commands to body fat to return data.
+
 ##   Give instructions to the device
 Get an instance of PabulumService.PabulumBinder in BleProfileServiceReadyActivity.onServiceBinded (PabulumService.PabulumBinder binder), call the method inside binder
 
 
 ##   categories
 ####  FoodData (weight data)
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 ```
 Type Parameter name Description
 String data; // Weight, corresponding to the current unit

README_CN.md

 
 
 - 在AndroidManifest.xml application标签下面增加
+
 ```
 <application>
     ...
     }
 
 ```
+
 > 注意：这些接口或方法部分需要APP给体脂下发命令才会有返回数据.
 ##  APP给设备下发指令
 在BleProfileServiceReadyActivity.onServiceBinded(PabulumService.PabulumBinder binder)获得PabulumService.PabulumBinder的实例，调用binder里面方法
 
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 ```
 秤支持的单位:getUnits();