feat(Navigation): update navigation links and rename 'Matplan' to 'Matsedel'

feat(matsedel): add MealPlanClient and page for meal planning
feat(profil): add AI and suggestion tabs for admin users

frontend/app/Navigation.tsx

@@ -32,17 +32,10 @@ export default async function Navigation() {
       <Link href="/" style={linkStyle}>🏠 Hem</Link>
       <Link href="/inventory" style={linkStyle}>🛒 Varor</Link>
       <Link href="/recipes" style={linkStyle}>📖 Recept</Link>
-      <Link href="/matplan" style={linkStyle}>📅 Matplan</Link>
+      <Link href="/matsedel" style={linkStyle}>📅 Matsedel</Link>
       <Link href="/import" style={linkStyle}>📥 Importera</Link>
       <Link href="/baslager" style={linkStyle}>🏪 Baslager</Link>
-      {(session?.user as any)?.role === 'admin' && (
-        <>
-          <Link href="/admin/products" style={linkStyle}>⚙️ Admin</Link>
-          <Link href="/admin/products/pending" style={linkStyle}>⏳ Förslag</Link>
-          <Link href="/admin/ai" style={linkStyle}>🤖 AI</Link>
-          <Link href="/profil?tab=anvandare" style={linkStyle}>👥 Användare</Link>
-        </>
-      )}
+
       <span style={{ flex: 1 }} />
       {session?.user && (
         <>