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

Closes: BS-2946

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

@@ -0,0 +1,45 @@
+[**BlockSuite API Documentation**](../../../../README.md)
+
+***
+
+[BlockSuite API Documentation](../../../../README.md) / [@blocksuite/std](../../README.md) / [index](../README.md) / ConfigExtensionFactory
+
+# Function: ConfigExtensionFactory()
+
+> **ConfigExtensionFactory**\<`Config`\>(`configId`): `ConfigFactory`\<`Config`\>
+
+Create a config extension.
+A config extension provides a configuration object for a block flavour.
+The configuration object can be used like:
+```ts
+const config = std.provider.getOptional(ConfigIdentifier('my-flavour'));
+```
+
+## Type Parameters
+
+### Config
+
+`Config` *extends* `Record`\<`string`, `any`\>
+
+## Parameters
+
+### configId
+
+`string`
+
+The id of the config. Should be unique for each config.
+
+## Returns
+
+`ConfigFactory`\<`Config`\>
+
+## Example
+
+```ts
+import { ConfigExtensionFactory } from '@blocksuite/std';
+const MyConfigExtensionFactory = ConfigExtensionFactory<ConfigType>('my-flavour');
+const MyConfigExtension = MyConfigExtensionFactory({
+  option1: 'value1',
+  option2: 'value2',
+});
+```