feat: contents integration (artalk) + cleanup

closes #8

package.json

@@ -13,18 +13,19 @@
     "@ant-design/icons": "^5.6.0",
     "@tanstack/react-query": "^5.66.0",
     "antd": "^5.23.3",
+    "artalk": "^2.9.1",
     "clsx": "^2.1.1",
     "feed": "^4.2.2",
     "i18next": "^23.16.8",
     "i18next-browser-languagedetector": "^7.2.2",
     "lucide-react": "^0.344.0",
-    "marked": "^12.0.2",
+    "marked": "^15.0.6",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-helmet-async": "^2.0.5",
     "react-i18next": "^14.1.3",
     "react-icons": "^5.4.0",
-    "react-router-dom": "^6.28.2"
+    "react-router-dom": "^6.29.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.19.0",