add: upload file

package.json

@@ -36,6 +36,7 @@
     "class-validator": "^0.13.1",
     "crypto": "^1.0.1",
     "decimal.js": "^10.3.1",
+    "fs-extra": "^10.0.0",
     "joi": "^17.4.2",
     "lodash": "^4.17.21",
     "nestjs-pino": "^2.3.1",
@@ -57,6 +58,7 @@
     "@nestjs/testing": "^8.0.0",
     "@types/express": "^4.17.13",
     "@types/jest": "^27.0.1",
+    "@types/multer": "^1.4.7",
     "@types/node": "^16.0.0",
     "@types/passport-jwt": "^3.0.6",
     "@types/passport-local": "^1.0.34",