chore: Update dependencies and add sync-fetch for theme API

package.json

@@ -36,6 +36,7 @@
     "react-markdown": "^9.0.1",
     "react-spring": "^9.7.4",
     "styled-components": "^6.1.12",
+    "sync-fetch": "^0.5.2",
     "tailwind-merge": "^2.5.1",
     "tailwindcss-animate": "^1.0.7",
     "zod": "^3.23.8"
@@ -45,6 +46,7 @@
     "@types/node": "^20.14.15",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
+    "@types/sync-fetch": "^0.4.3",
     "eslint": "^8.57.0",
     "eslint-config-next": "14.2.4",
     "postcss": "^8.4.41",