feat: add daily notes page with date navigation and sidebar link

apps/web/components/sidebar.tsx

@@ -10,6 +10,7 @@ import {
   Flame,
   FolderKanban,
   NotebookPen,
+  BookOpen,
   Share2,
   CalendarDays,
   Search,
@@ -41,6 +42,7 @@ const navItems = [
   { href: '/habits', label: 'Habits', icon: Flame },
   { href: '/projects', label: 'Projects', icon: FolderKanban },
   { href: '/notes', label: 'Notes', icon: NotebookPen },
+  { href: '/daily-notes', label: 'Daily Note', icon: BookOpen },
   { href: '/graph', label: 'Graph', icon: Share2 },
   { href: '/calendar', label: 'Calendar', icon: CalendarDays },
   { href: '/search', label: 'Search', icon: Search },