Don't show settings and other localStorage items not beginning with /

components/header.js

@@ -204,7 +204,11 @@ export class Header extends HTMLElement {
   }
 
   getPages() {
-    return Object.keys(localStorage).slice().sort()
+    return (
+      Object.keys(localStorage).slice()
+      .filter(s => s.startsWith('/'))
+      .sort()
+    )
   }
 
   set editing(value) {