Update zh-CN/README.md (#836)

In the English documentation, the term 'Providers' is used to represent all Provider-related functionalities. However, in the Chinese documentation, the term used is 'Provider.' This might potentially create ambiguity for those who solely rely on the Chinese documentation and could mislead beginners into thinking that the `Provider` class can perform watch.

This pr highlights the distinction between the collective term "Providers" and the specific usage of the `Provider` class in both English and Chinese documentation.

resources/translations/zh-CN/README.md

@@ -84,7 +84,7 @@
 
 #### 暴露一个新的对象实例
 
-Provider 不仅可以暴露出一个值，同时也可以创建、监听和销毁它。
+Providers 不仅可以暴露出一个值，同时也可以创建、监听和销毁它。
 
 要暴露一个新创建的对象，你可以使用这个 provider 的默认构造。
 而如果你想在开始监听时再 **创建** 一个对象，