docs: support document internationalization #222

* docs: add English docuemnt #213

* docs: support document internationalization #222

---------

Co-authored-by: Hufe921 <huangyunfeihufe@hotmail.com>

docs/guide/command-get.md

@@ -8,10 +8,13 @@ import Editor from "@hufe921/canvas-editor"
 const instance = new Editor(container, <IElement[]>data, options)
 const value = instance.command.commandName()
 ```
+
 ## getValue
+
 功能：获取当前文档信息
 
 用法：
+
 ```javascript
 const {
   version: string;
@@ -25,49 +28,62 @@ const {
 ```
 
 ## getImage
-功能：获取当前页面图片base64字符串
+
+功能：获取当前页面图片 base64 字符串
 
 用法：
+
 ```javascript
 const base64StringList = await instance.command.getImage(pixelRatio?: number)
 ```
 
 ## getWordCount
+
 功能：获取文档字数
 
 用法：
+
 ```javascript
 const wordCount = await instance.command.getWordCount()
 ```
 
 ## getRangeText
+
 功能：获取选区文本
 
 用法：
+
 ```javascript
 const rangeText = instance.command.getRangeText()
 ```
 
 ## getRangeContext
+
 功能：获取选区上下文
 
 用法：
+
 ```javascript
 const rangeContext = instance.command.getRangeContext()
 ```
 
 ## getPaperMargin
+
 功能：获取页边距
 
 用法：
+
 ```javascript
-const [top: number, right: number, bottom: number, left: number] = instance.command.getPaperMargin()
+const [top: number, right: number, bottom: number, left: number] =
+  instance.command.getPaperMargin()
 ```
 
 ## getSearchNavigateInfo
+
 功能：获取搜索导航信息
 
 用法：
+
 ```javascript
 const {
   index: number;
@@ -76,17 +92,21 @@ const {
 ```
 
 ## getCatalog
+
 功能：获取目录
 
 用法：
+
 ```javascript
 const catalog = await instance.command.getCatalog()
 ```
 
 ## getHTML
-功能：获取HTML
+
+功能：获取 HTML
 
 用法：
+
 ```javascript
 const {
   header: string