update documents

CONTRIBUTING.md

@@ -1,14 +1,5 @@
 # CONTRIBUTING
 
-## Chrome extension
+Latest contributing document has been moved to [docs/CONTRIBUTING.md](docs/CONTRIBUTING.md)
 
-``` bash
-# Install Node.js
-# Visit: https://nodejs.org/en/
-
-# Install dependencies
-npm install
-
-# Start builder
-npm run dev
-```
+最新的开发说明文档已经被移动到了 [docs/CONTRIBUTING.zh-Hans.md](docs/CONTRIBUTING.zh-Hans.md)

docs/CONTRIBUTING.md

@@ -0,0 +1,24 @@
+# CONTRIBUTING
+
+## 0x00. Project struct
+
+- **build**: Node.js scripts for building the Chrome extension from source codes located in directory **src**
+- **docs**: Documents about this project
+- **extension**: The struct of a complete Chrome extension
+	- **dist**: Codes built from **src**
+	- **icons**: Icon files for this Chrome extension
+- **src**: This extension source code
+- **test**: Some scripts for testing
+
+## 0x01. How to build this Chrome extension
+
+``` bash
+# Install Node.js
+# Visit: https://nodejs.org/en/
+
+# Install dependencies
+yarn install
+
+# Launch builder script
+yarn run dev
+```

docs/CONTRIBUTING.zh-Hans.md

@@ -0,0 +1,25 @@
+# CONTRIBUTING
+
+## 0x00. 项目结构
+
+- **build**: Node.js 脚本, 用来从 **src** 目录中构建 Chrome 插件的源代码
+- **docs**: 项目文档
+- **extension**: 完整的 Chrome 插件的目录结构
+	- **dist**: 从 **src** 目录构建出来的代码
+	- **icons**: Chrome 插件需要用到的图标文件
+- **src**: 这个 Chrome 插件的源代码
+- **test**: 用来测试的代码
+
+
+## 0x01. 如何构建这个 Chrome 插件
+
+``` bash
+# 安装 Node.js
+# 请访问: https://nodejs.org/en/
+
+# 安装项目依赖
+yarn install
+
+# 启动构建脚本
+yarn run dev
+```