Redesign admin peering settings and catalogs

public/common.js

@@ -99,6 +99,7 @@ function topNav(me) {
     h('a', { class: 'btn nav-greatest', href: 'greatest.html', title: 'Shijō Saikō no Manga · Greatest of All Time', 'aria-label': 'Shijō Saikō no Manga' }, 'Shijō Saikō no Manga'),
     h('div', { class: 'grow' }),
     h('div', { class: 'bell-wrap' }, bell, panel),
+    ...(me.admin ? [h('a', { class: 'btn', href: 'peer-catalog.html' }, 'Peer catalogs')] : []),
     h('a', { class: 'btn', href: 'settings.html' }, 'Settings'),
     h('button', { class: 'btn', onclick: async () => { await api('api/logout', {}); location.href = 'login.html'; } }, 'Log out'));
   document.body.prepend(nav);