添加汇率数据

package-lock.json

@@ -15,6 +15,7 @@
         "mariadb": "^3.5.2",
         "marked": "^17.0.6",
         "next": "^14.2.3",
+        "node-cron": "^4.2.1",
         "prisma": "^7.7.0",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
@@ -2117,6 +2118,15 @@
         }
       }
     },
+    "node_modules/node-cron": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmmirror.com/node-cron/-/node-cron-4.2.1.tgz",
+      "integrity": "sha512-lgimEHPE/QDgFlywTd8yTR61ptugX3Qer29efeyWw2rv259HtGBNn1vZVmp8lB9uo9wC0t/AT4iGqXxia+CJFg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/node-fetch-native": {
       "version": "1.6.7",
       "resolved": "https://registry.npmmirror.com/node-fetch-native/-/node-fetch-native-1.6.7.tgz",