Update database.js

database.js

@@ -1,4 +1,5 @@
-const { MongoClient } = require('mongodb');
+import { MongoClient } from 'mongodb';
+
 require('dotenv').config();
 
 const dbUri = process.env.DB_URI;
@@ -102,4 +103,4 @@ class Database {
     }
 };
 
-module.exports = Database;
+export { Database };