add auth

backend/package.json

@@ -30,11 +30,15 @@
     "@nestjs/config": "^4.0.2",
     "@nestjs/core": "^11.0.1",
     "@nestjs/mapped-types": "^2.1.0",
+    "@nestjs/passport": "^11.0.5",
     "@nestjs/platform-express": "^11.0.1",
     "@nestjs/typeorm": "^11.0.0",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.3",
     "dotenv": "^16.4.7",
+    "jwks-rsa": "^3.2.0",
+    "passport": "^0.7.0",
+    "passport-jwt": "^4.0.1",
     "pg": "^8.16.3",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.1",
@@ -49,6 +53,7 @@
     "@types/express": "^5.0.0",
     "@types/jest": "^30.0.0",
     "@types/node": "^22.10.7",
+    "@types/passport-jwt": "^4.0.1",
     "@types/supertest": "^6.0.2",
     "eslint": "^9.18.0",
     "eslint-config-prettier": "^10.0.1",