fix: run build

backend/package.json

@@ -10,7 +10,7 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "gen:db": "tsx src/scripts/database-gen.ts",
     "gen:swagger": "tsx src/scripts/swagger-gen.ts",
-    "build": "tsx ./src/scripts/database-gen.ts && tsx ./src/scripts/swagger-gen.ts && esbuild ./src/index.ts --bundle --platform=node --format=esm --packages=external --outfile=./dist/index.js",
+    "build": "tsx ./src/scripts/database-gen.ts && tsx ./src/scripts/swagger-gen.ts && esbuild ./src/index.ts --bundle --platform=node --format=esm --packages=external --outfile=./dist/index.js && cpx \"src/docs/swagger/swagger-output.json\" dist/docs/swagger",
     "start": "node ./dist/index.js"
   },
   "imports": {