chore: replace manual SQL migrations with node-pg-migrate

backend/package.json

@@ -13,7 +13,10 @@
     "test:integration": "jest -c jest.integration.config.js --runInBand",
     "test:integration:json": "jest -c jest.integration.config.js --runInBand --json --outputFile=integration-results.json",
     "db:test:up": "docker compose -f docker-compose.test.yml up -d",
-    "db:test:down": "docker compose -f docker-compose.test.yml down -v"
+    "db:test:down": "docker compose -f docker-compose.test.yml down -v",
+    "migrate:up": "node migrate.js up",
+    "migrate:down": "node migrate.js down",
+    "migrate:create": "node-pg-migrate create --migration-file-language js"
   },
   "dependencies": {
     "express": "^4.19.2",
@@ -21,7 +24,9 @@
     "multer": "^1.4.5-lts.1",
     "bcryptjs": "^2.4.3",
     "cookie-parser": "^1.4.6",
-    "nodemailer": "^6.9.14"
+    "nodemailer": "^6.9.14",
+    "node-cron": "^3.0.3",
+    "node-pg-migrate": "^7.6.1"
   },
   "devDependencies": {
     "typescript": "^5.5.4",
@@ -33,6 +38,7 @@
     "@types/bcryptjs": "^2.4.6",
     "@types/cookie-parser": "^1.4.7",
     "@types/nodemailer": "^6.4.15",
+    "@types/node-cron": "^3.0.11",
     "jest": "^29.7.0",
     "ts-jest": "^29.2.4",
     "@types/jest": "^29.5.12",