add package.json in root project

+{
+  "name": "capstone",
+  "version": "1.0.0",
+  "description": "",
+  "scripts": {
+    "start": "docker-compose up",
+    "build": "docker-compose build",
+    "stop": "docker-compose down",
+    "clean": "docker system prune -af",
+    "clean:volumes": "docker volume prune -f",
+    "seed": "docker exec -it prisma npm run seed"
+  },
+  "author": {
+    "name": "sdy, kms",
+    "email": "vel1024@khu.ac.kr"
+  },
+  "license": "ISC"
+}