Add Chinese document

Author: woo0nise

.gitignore

@@ -1,3 +1,5 @@
+# idea
+.idea/
 # Compiled class file
 *.class
 

.idea/compiler.xml

@@ -2,6 +2,9 @@
 [![GitHub (pre-)release](https://img.shields.io/github/release/0nise/fofa-java/all.svg)](https://github.com/0nise/fofa-java/releases)
 [![stars](https://img.shields.io/github/stars/0nise/fofa-java.svg)](https://github.com/0nise/fofa-java/stargazers)
 [![license](https://img.shields.io/github/license/0nise/fofa-java.svg)](https://github.com/0nise/fofa-java/blob/master/LICENSE)
+
+[中文文档](https://github.com/0nise/fofa-java/blob/master/README_zh.md)
+
 ## FOFA Pro API
 [`FOFA Pro API`](https://fofa.so/api) is an asset search engine [`FOFA Pro`](https://fofa.so) provides a `RESTful API` interface for developers, allowing developers to integrate [`FOFA Pro`](https://fofa.so) functionality into their projects.
 ## FOFA SDK
@@ -84,7 +87,6 @@ public static void main(String[] args) throws Exception {
 
 ### get data
 
-
 #### Code
 
 ```java
@@ -107,6 +109,10 @@ FofaData{mode='extended', page=1, size=8578, totalPage=86, query='app="Solr"', r
 
 ## Update Log
 
+2019-06-12
+
+    - Add Chinese document
+
 2019-06-11
 
     - change developer