Update MongoDB connection logging in db.js

- Enhanced connection log to specify 'MongoDB Atlas - Database: faber-finances'
- Added comment clarifying that the database is created automatically upon the first document insertion

server/utils/db.js

@@ -16,8 +16,9 @@ export async function connectToDatabase() {
   try {
     client = new MongoClient(uri)
     await client.connect()
+    // MongoDB will create the database automatically when first document is inserted
     db = client.db('faber-finances')
-    console.log('Connected to MongoDB')
+    console.log('Connected to MongoDB Atlas - Database: faber-finances')
     return db
   } catch (error) {
     console.error('Failed to connect to MongoDB:', error)