Import frontend skeleton.

frontend/src/App.jsx

@@ -0,0 +1,82 @@
+import { useState } from 'react';
+import BarcodeScannerComponent from 'react-qr-barcode-scanner';
+import toast, { Toaster } from 'react-hot-toast';
+
+// Styles
+import './App.css';
+
+function App() {
+  // State to store the latest scanned data
+  const [currentData, setCurrentData] = useState('No result');
+
+  // State to store an array of scanned results for history tracking
+  const [scanHistory, setScanHistory] = useState([]);
+
+  // Initialize audio for the beep sound effect
+  const beepSound = new Audio('/beep.mp3');
+
+  /**
+   * Handles the scanning result.
+   * @param {Error} err - Error, if any, from the scanner.
+   * @param {Object} result - The scanning result object.
+   */
+  const handleScan = (err, result) => {
+    if (result) {
+      // Update current data and add it to the scan history
+      setCurrentData(result.text);
+      setScanHistory(prevHistory => [...prevHistory, result.text]);
+
+      // Play the beep sound for successful scan feedback
+      beepSound.play();
+
+      // Show a success notification using toast
+      toast.success(`Product scanned: ${result.text}`);
+    } else {
+      setCurrentData('No result'); // Set message if no result
+    }
+  };
+
+    return (
+	<div className="box">
+	    {/* Notification toaster for displaying scan success messages */}
+	    <Toaster position="top-right" reverseOrder={false} />
+
+	    {/* Scanner title */}
+	    <div className="title">Scanner</div>
+
+	    {/* Barcode scanner component */}
+	    <div className="scan">
+		<BarcodeScannerComponent
+		    width={500}
+		    height={500}
+		    onUpdate={handleScan}
+		    delay={1500} // 1.5 seconds delay between scans
+		/>
+	    </div>
+
+	    {/* Display the current scanned data */}
+	    <p>Scanned Data: {currentData}</p>
+
+	    {/* Table to display scan history */}
+	    <h2>Scan History</h2>
+	    <table>
+		<thead>
+		    <tr>
+			<th>#</th>
+			<th>Scanned Result</th>
+		    </tr>
+		</thead>
+		<tbody>
+		    {scanHistory.map((result, index) => (
+			<tr key={index}>
+			    <td>{index + 1}</td>
+			    <td>{result}</td>
+			</tr>
+		    ))}
+		</tbody>
+	    </table>
+	</div>
+		);
+    }
+
+    export default App;