Add quotation and tariff backend flow

package.json

@@ -5,11 +5,12 @@
   "type": "module",
   "scripts": {
     "dev": "tsx watch src/index.ts",
-    "build": "tsc",
-    "start": "node dist/index.js"
+    "build": "prisma generate && tsc",
+    "start": "prisma migrate deploy && node dist/index.js"
   },
   "dependencies": {
     "@apollo/server": "^4.11.3",
+    "@prisma/client": "^6.5.0",
     "cors": "^2.8.5",
     "express": "^4.21.2",
     "graphql": "^16.10.0",
@@ -21,6 +22,7 @@
     "@types/cors": "^2.8.17",
     "@types/express": "^5.0.0",
     "@types/node": "^22.13.0",
+    "prisma": "^6.5.0",
     "tsx": "^4.19.0",
     "typescript": "^5.7.0"
   }