feat(docs): bootstrapping using blocksuite (#2859)

apps/docs/src/atom.ts

@@ -0,0 +1,11 @@
+import { __unstableSchemas, AffineSchemas } from '@blocksuite/blocks/models';
+import { atom } from 'jotai/vanilla';
+
+export const workspaceAtom = atom(async () => {
+  const { Workspace } = await import('@blocksuite/store');
+  return new Workspace({
+    id: 'test-workspace',
+  })
+    .register(AffineSchemas)
+    .register(__unstableSchemas);
+});