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/results.js

@@ -0,0 +1,21 @@
+import { Router } from 'express';
+import { getJob } from '../db.js';
+
+const router = Router();
+
+router.get('/:id', (req, res) => {
+  const job = getJob(req.params.id);
+  if (!job) return res.status(404).render('error', { title: '404', message: 'Job not found.' });
+
+  if (job.status !== 'done') return res.redirect(`/status/${job.id}`);
+
+  res.render('results', {
+    title: `Results — ${job.url}`,
+    job,
+    reportUrl: job.report_folder
+      ? `/reports/${job.id}/index.html`
+      : null,
+  });
+});
+
+export default router;