Merge pull request #4 from 994914624/patch-2

更新 description

Author: Zuoweixiang

pubspec.yaml

@@ -1,5 +1,5 @@
 name: sensors_analytics_flutter_plugin
-description: A flutter plugin project for sensors analytics SDK.
+description: This is the official flutter plugin for Sensors Analytics,with this plugin you can easily collect your app data on Android and iOS. 
 version: 0.0.5
 author: "ziven.xiang <[email protected]>"
 homepage: "https://github.com/sensorsdata/sensors_analytics_flutter_plugin"