feat: generate jwt on login

package.json

@@ -24,6 +24,7 @@
     "@nestjs/common": "^8.0.0",
     "@nestjs/config": "^1.0.1",
     "@nestjs/core": "^8.0.0",
+    "@nestjs/jwt": "^8.0.0",
     "@nestjs/mapped-types": "*",
     "@nestjs/passport": "^8.0.1",
     "@nestjs/platform-express": "^8.0.0",
@@ -53,6 +54,7 @@
     "@types/express": "^4.17.13",
     "@types/jest": "^27.0.1",
     "@types/node": "^16.0.0",
+    "@types/passport-jwt": "^3.0.6",
     "@types/passport-local": "^1.0.34",
     "@types/supertest": "^2.0.11",
     "@typescript-eslint/eslint-plugin": "^4.28.2",