feat: add OAuth 2.1 dependencies for enhanced authentication support

Author: nickytonline

package-lock.json

@@ -40,6 +40,8 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.17.0",
+    "@node-oauth/express-oauth-server": "^4.1.4",
+    "@node-oauth/oauth2-server": "^5.2.1",
     "@types/express": "^5.0.3",
     "@types/oauth2-server": "^3.0.18",
     "express": "^5.1.0",