payment checkpoint 3

package-lock.json

@@ -15,6 +15,7 @@
       "dependencies": {
         "@prisma/client": "^6.13.0",
         "@reduxjs/toolkit": "^2.8.2",
+        "decimal.js": "^10.6.0",
         "dotenv": "^16.5.0",
         "dotenv-cli": "^8.0.0",
         "react-redux": "^9.2.0",
@@ -6312,6 +6313,12 @@
         }
       }
     },
+    "node_modules/decimal.js": {
+      "version": "10.6.0",
+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.6.0.tgz",
+      "integrity": "sha512-YpgQiITW3JXGntzdUmyUR1V812Hn8T1YVXhCu+wO3OpS4eU9l4YdD3qjyiKdV6mvV29zapkMeD390UVEf2lkUg==",
+      "license": "MIT"
+    },
     "node_modules/decimal.js-light": {
       "version": "2.5.1",
       "resolved": "https://registry.npmjs.org/decimal.js-light/-/decimal.js-light-2.5.1.tgz",