feat: Comments translation to EN

backend/server.js

@@ -8,10 +8,10 @@ const PORT = process.env.PORT || 3000;
 app.use(cors());
 app.use(express.json());
 
-// Service du moteur de calcul situé à la racine
+// Serve the calculation engine located at the root
 app.use('/pkCore.js', express.static(path.join(__dirname, '../pkCore.js')));
 
-// Service des fichiers statiques frontend
+// Serve frontend static files
 app.use(express.static(path.join(__dirname, '../frontend')));
 
 app.listen(PORT, () => {