feat: support for paste richtext data in contextmenu

docs/guide/command-execute.md

@@ -46,7 +46,7 @@ instance.command.executeCopy()
 用法：
 
 ```javascript
-instance.command.executePaste()
+instance.command.executePaste(payload?: IPasteOption)
 ```
 
 ## executeSelectAll

docs/guide/override.md

@@ -16,7 +16,7 @@ instance.override.overrideFunction = ()=>{}
 用法：
 
 ```javascript
-instance.override.paste = (evt: ClipboardEvent) => void
+instance.override.paste = (evt?: ClipboardEvent) => void
 ```
 
 ## copy