feat(editor): add basic code support in turbo renderer (#11619)

This PR adds basic support for code block:

[Screen Recording 2025-04-10 at 8.13.26 PM.mov <span class="graphite__hidden">(uploaded via Graphite)</span> <img class="graphite__hidden" src="https://app.graphite.dev/api/v1/graphite/video/thumbnail/lEGcysB4lFTEbCwZ8jMv/5d749979-f7f1-4e4d-ba5b-bc4ba29f8b83.mov" />](https://app.graphite.dev/media/video/lEGcysB4lFTEbCwZ8jMv/5d749979-f7f1-4e4d-ba5b-bc4ba29f8b83.mov)

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

@@ -3,3 +3,5 @@ export * from './code-block';
 export * from './code-block-config';
 export * from './code-block-spec';
 export * from './code-toolbar';
+export * from './turbo/code-layout-handler';
+export * from './turbo/code-painter.worker';