Fix amount preview for scanned receipts (#227)

* no division of amount

* use gpt-4-turbo

* testing setup and naive test

* test multiple variants

* document

* correct locale names

* test large amounts

* test wth strings

* prettier

package.json

@@ -12,7 +12,8 @@
     "prettier": "prettier -w src",
     "postinstall": "prisma migrate deploy && prisma generate",
     "build-image": "./scripts/build-image.sh",
-    "start-container": "docker compose --env-file container.env up"
+    "start-container": "docker compose --env-file container.env up",
+    "test": "jest"
   },
   "dependencies": {
     "@formatjs/intl-localematcher": "^0.5.4",
@@ -62,8 +63,12 @@
     "zod": "^3.22.4"
   },
   "devDependencies": {
+    "@testing-library/dom": "^10.4.0",
+    "@testing-library/jest-dom": "^6.4.8",
+    "@testing-library/react": "^16.0.0",
     "@total-typescript/ts-reset": "^0.5.1",
     "@types/content-disposition": "^0.5.8",
+    "@types/jest": "^29.5.12",
     "@types/negotiator": "^0.6.3",
     "@types/node": "^20",
     "@types/pg": "^8.10.9",
@@ -74,10 +79,13 @@
     "dotenv": "^16.3.1",
     "eslint": "^8",
     "eslint-config-next": "^14.1.0",
+    "jest": "^29.7.0",
+    "jest-environment-jsdom": "^29.7.0",
     "postcss": "^8",
     "prettier": "^3.0.3",
     "prettier-plugin-organize-imports": "^3.2.3",
     "tailwindcss": "^3",
+    "ts-node": "^10.9.2",
     "tsconfig-paths": "^4.2.0",
     "typescript": "^5.3.3"
   }