refactor(editor): rename block-std to std (#11250)

Closes: BS-2946

blocksuite/docs/api/@blocksuite/std/index/functions/WidgetViewExtension.md

@@ -0,0 +1,45 @@
+[**BlockSuite API Documentation**](../../../../README.md)
+
+***
+
+[BlockSuite API Documentation](../../../../README.md) / [@blocksuite/std](../../README.md) / [index](../README.md) / WidgetViewExtension
+
+# Function: WidgetViewExtension()
+
+> **WidgetViewExtension**(`flavour`, `id`, `view`): `ExtensionType`
+
+Create a widget view extension.
+
+## Parameters
+
+### flavour
+
+`string`
+
+The flavour of the block that the widget view is for.
+
+### id
+
+`string`
+
+The id of the widget view.
+
+### view
+
+`StaticValue`
+
+The widget view lit literal.
+
+A widget view is to provide a widget view for a block.
+For every target block, it's view will be rendered with the widget view.
+
+## Returns
+
+`ExtensionType`
+
+## Example
+
+```ts
+import { WidgetViewExtension } from '@blocksuite/std';
+
+const MyWidgetViewExtension = WidgetViewExtension('my-flavour', 'my-widget', literal`my-widget-view`);