feat: implemented LDAP authentication

api/package.json

@@ -59,6 +59,7 @@
     "helmet": "^5.0.2",
     "joi": "^17.4.2",
     "jsonwebtoken": "^8.5.1",
+    "ldapjs": "2.3.3",
     "mongoose": "^6.0.12",
     "mongoose-sequence": "^5.3.1",
     "morgan": "^1.10.0",
@@ -78,6 +79,7 @@
     "@types/express-session": "^1.17.4",
     "@types/jest": "^26.0.24",
     "@types/jsonwebtoken": "^8.5.5",
+    "@types/ldapjs": "^2.2.4",
     "@types/mongoose-sequence": "^3.0.6",
     "@types/morgan": "^1.9.3",
     "@types/multer": "^1.4.7",