Adding the project for code injection and XSS vulnerability testing

This project is designed to help developers understand and mitigate code injection and XSS vulnerabilities. It includes a backend API and a frontend interface for testing various attack vectors in a controlled environment.

frontend/scripts/lint-check.ts

@@ -0,0 +1,42 @@
+import { exec } from 'child_process';
+import chalk from 'chalk';
+import ora from 'ora';
+
+async function runCommand(command: string, description: string): Promise<void> {
+  const spinner = ora(`Running ${description}...`).start();
+
+  return new Promise((resolve, reject) => {
+    exec(command, (error, stdout, stderr) => {
+      if (error) {
+        spinner.fail(`${description} failed.`);
+        console.error(chalk.red(`${description} failed.`));
+        console.error(chalk.red(stderr));
+        reject(new Error(stderr));
+      } else {
+        spinner.succeed(`${description} passed.`);
+        console.log(chalk.green(`${description} passed.`));
+        console.log(stdout);
+        resolve();
+      }
+    });
+  });
+}
+
+async function runLint(): Promise<void> {
+  try {
+    await runCommand('npm run lint:prettier', 'Prettier check');
+    console.log(chalk.green('All checks passed.'));
+    process.exit(0);
+  } catch (err) {
+    console.error(chalk.red('Lint checks failed.'));
+    console.error(chalk.red('Please fix the issues above and try again.'));
+    console.error(
+      chalk.yellow(
+        `Hint: You can run ${chalk.cyan('npm run prettier')} to automatically format your code.`
+      )
+    );
+    process.exit(1);
+  }
+}
+
+runLint();