added folder student and create new Ep Login

package.json

@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "@nestjs/common": "^11.0.1",
+    "@nestjs/config": "^4.0.2",
     "@nestjs/core": "^11.0.1",
     "@nestjs/mapped-types": "*",
     "@nestjs/platform-express": "^11.0.1",
@@ -40,7 +41,7 @@
     "@nestjs/testing": "^11.0.1",
     "@types/express": "^5.0.0",
     "@types/jest": "^30.0.0",
-    "@types/node": "^22.10.7",
+    "@types/node": "^22.18.1",
     "@types/supertest": "^6.0.2",
     "eslint": "^9.18.0",
     "eslint-config-prettier": "^10.0.1",