Added stats page

src/lib/router.svelte.js

@@ -1,12 +1,12 @@
 /**
- * Three screens, so no router dependency — just enough hash handling that the
+ * A few screens, so no router dependency — just enough hash handling that the
  * Android back button behaves inside an installed PWA.
  *
  * `route === null` means "wherever the day state says", which is the default the
  * worker should land on.
  */
 
-const ROUTES = ['resume', 'today', 'settings'];
+const ROUTES = ['resume', 'today', 'settings', 'stats'];
 
 function fromHash() {
   const h = location.hash.replace(/^#\/?/, '');