feat: initial Speedboard implementation

sitespeed.io web UI with Express/Pug/SQLite — port 3132.
Includes job queue, SSE live log, full metrics dashboard,
site history, CO2/axe/CWV sections, and Docker support.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

routes/test.js

@@ -0,0 +1,30 @@
+import { Router } from 'express';
+import { v4 as uuidv4 } from 'uuid';
+import { createJob } from '../db.js';
+import { enqueue } from '../queue.js';
+
+const router = Router();
+
+router.post('/', (req, res) => {
+  let { url, browser, mobile, runs } = req.body;
+
+  // Validate
+  if (!url || !url.startsWith('http')) {
+    return res.status(400).render('error', {
+      title: 'Invalid URL',
+      message: 'Please provide a valid URL starting with http:// or https://',
+    });
+  }
+
+  browser = ['chrome', 'firefox'].includes(browser) ? browser : 'chrome';
+  mobile = mobile === '1' || mobile === 'on' || mobile === true;
+  runs = Math.min(Math.max(parseInt(runs) || 3, 1), 9);
+
+  const id = uuidv4();
+  createJob(id, url, browser, mobile, runs);
+  enqueue({ id, url, browser, mobile, runs });
+
+  res.redirect(`/status/${id}`);
+});
+
+export default router;