Feature Complete: WebPageTest Clone

- Implemented Test Launcher UI (index.html)
- Added 'View Full Report' functionality using Lighthouse HTML reports
- Configured runner.js for robust Headless Chrome execution on Linux
- Updated styles for form and results dashboard

lib/runner.js

@@ -20,7 +20,11 @@ async function runTest(url, options = {}) {
   }
 
   // Launch Chrome
-  const chrome = await chromeLauncher.launch({ chromeFlags: ['--headless'] });
+  const chromePath = require('puppeteer').executablePath();
+  const chrome = await chromeLauncher.launch({ 
+    chromePath, 
+    chromeFlags: ['--headless', '--no-sandbox', '--disable-gpu', '--disable-dev-shm-usage'] 
+  });
   
   // Lighthouse Config
   const port = chrome.port;