🚀 feat: Add Gemini 2.0 Support, Update Packages and Deprecations (#4951)

* chore: Comment out deprecated MongoDB connection options in connectDb.js

* replaced deprecrated MongoDB count() function with countDocuments()

* npm audit fix (package-lock cleanup)

* chore: Specify .env file in launch configuration

* feat: gemini-2.0

* chore: bump express to 4.21.2 to address CVE-2024-52798

* chore: remove redundant comment for .env file specification in launch configuration

---------

Co-authored-by: neturmel <neturmel@gmx.de>

.vscode/launch.json

@@ -10,7 +10,8 @@
       "env": {
         "NODE_ENV": "production"
       },
-      "console": "integratedTerminal"
+      "console": "integratedTerminal",
+      "envFile": "${workspaceFolder}/.env"
     }
   ]
 }