Implemented shutdown through UI and implemented router check

src/Shutdown.ts

@@ -0,0 +1,33 @@
+import { exec } from 'child_process';
+
+export function shutdown(): Promise<{ succeed: boolean; message?: string }> {
+	if (process.platform === 'win32') {
+		return shutdownWindows();
+	}
+
+	return Promise.resolve({
+		succeed: false,
+		message: 'Platform not supported',
+	});
+}
+
+function shutdownWindows(): Promise<{ succeed: boolean; message?: string }> {
+	return new Promise<{ succeed: boolean; message?: string }>(
+		(resolve, reject) => {
+			exec('shutdown /s /t 5', (error, stdout, stderr) => {
+				if (error) {
+					console.error(
+						`Error shutting down Windows: ${error.message}`
+					);
+					return resolve({ succeed: false, message: error.message });
+				}
+				if (stderr) {
+					console.error(`Error shutting down Windows: ${stderr}`);
+					return resolve({ succeed: false, message: stderr });
+				}
+				console.log(`Windows shutdown command executed: ${stdout}`);
+				resolve({ succeed: true });
+			});
+		}
+	);
+}