feat: add soundboard and admin sounds management pages with routing

src/components/sidebar/AppSidebar.tsx

@@ -9,7 +9,7 @@ import {
   useSidebar,
 } from '@/components/ui/sidebar'
 import { useAuth } from '@/hooks/use-auth'
-import { Activity, Home, Users } from 'lucide-react'
+import { Activity, Home, Users, Volume2, Settings } from 'lucide-react'
 import { Link, useLocation } from 'react-router'
 import { NavUser } from './NavUser'
 
@@ -19,6 +19,11 @@ const navigationItems = [
     href: '/dashboard',
     icon: Home,
   },
+  {
+    title: 'Soundboard',
+    href: '/soundboard',
+    icon: Volume2,
+  },
   {
     title: 'Activity',
     href: '/activity',
@@ -32,6 +37,11 @@ const adminNavigationItems = [
     href: '/admin/users',
     icon: Users,
   },
+  {
+    title: 'Sounds',
+    href: '/admin/sounds',
+    icon: Settings,
+  },
 ]
 
 export function AppSidebar() {