fix: Docs home page demo styling fix (#507)

packages/website/docs/.vitepress/theme/components/Examples/BlockNote/ReactBlockNote.tsx

@@ -1,6 +1,6 @@
 import { uploadToTmpFilesDotOrg_DEV_ONLY } from "@blocknote/core";
-import "@blocknote/core/style.css";
 import { BlockNoteView, useBlockNote } from "@blocknote/react";
+import "@blocknote/react/style.css";
 import { useEffect, useMemo } from "react";
 import YPartyKitProvider from "y-partykit/provider";
 import * as Y from "yjs";