fix: add @types/prismjs for TypeScript support

Author: CC11001100

office-website/package-lock.json

@@ -35,6 +35,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.13.1",
+    "@types/prismjs": "^1.26.5",
     "@types/tampermonkey": "^5.0.4",
     "@types/webpack": "^5.28.5",
     "ts-loader": "^9.5.2",