fix(deps): update dependency @uiw/react-markdown-preview-example to v2 (#151)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

www/package.json

@@ -8,7 +8,7 @@
     "start": "kkt start"
   },
   "dependencies": {
-    "@uiw/react-markdown-preview-example": "^1.5.3",
+    "@uiw/react-markdown-preview-example": "^2.0.0",
     "@uiw/react-split": "5.9.1"
   },
   "devDependencies": {