feat(editor): callout and code extension (#11827)

Closes: BS-3243
Closes: BS-3190

blocksuite/affine/blocks/code/src/store.ts

@@ -0,0 +1,17 @@
+import {
+  type StoreExtensionContext,
+  StoreExtensionProvider,
+} from '@blocksuite/affine-ext-loader';
+import { CodeBlockSchemaExtension } from '@blocksuite/affine-model';
+
+import { CodeBlockAdapterExtensions } from './adapters/extension';
+
+export default class CodeStoreExtension extends StoreExtensionProvider {
+  override name = 'affine-code-block';
+
+  override setup(context: StoreExtensionContext) {
+    super.setup(context);
+    context.register(CodeBlockSchemaExtension);
+    context.register(CodeBlockAdapterExtensions);
+  }
+}