chore: update demo with latest package version 1.3.0 and rebuild docs

Author: ilyashusterman

demo/package-lock.json

@@ -43,7 +43,7 @@
     "@types/marked": "^6.0.0",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
-    "doc-to-readable": "^1.2.0",
+    "doc-to-readable": "^1.3.0",
     "dompurify": "^3.2.6",
     "jsdom": "^26.1.0",
     "lucide-react": "^0.424.0",