feat: add text decoration property

docs/en/guide/command-execute.md

@@ -244,7 +244,7 @@ Feature: Underline
 Usage:
 
 ```javascript
-instance.command.executeUnderline()
+instance.command.executeUnderline(textDecoration?: ITextDecoration)
 ```
 
 ## executeStrikeout

docs/en/guide/schema.md

@@ -41,6 +41,9 @@ interface IElement {
   };
   rowMargin?: number;
   letterSpacing?: number;
+  textDecoration?: {
+    style?: TextDecorationStyle;
+  };
   // groupIds
   groupIds?: string[];
   // table

docs/guide/command-execute.md

@@ -244,7 +244,7 @@ instance.command.executeItalic()
 用法：
 
 ```javascript
-instance.command.executeUnderline()
+instance.command.executeUnderline(textDecoration?: ITextDecoration)
 ```
 
 ## executeStrikeout

docs/guide/schema.md

@@ -41,6 +41,9 @@ interface IElement {
   };
   rowMargin?: number;
   letterSpacing?: number;
+  textDecoration?: {
+    style?: TextDecorationStyle;
+  };
   // 组信息-可用于批注等其他成组使用场景
   groupIds?: string[];
   // 表格