feat: implement collapsible sidebar

frontend/src/components/layout/protected.rs

@@ -6,17 +6,22 @@ use crate::components::ui::sidenav::{SidenavWrapper, Sidenav, SidenavInset};
 
 #[component]
 pub fn Protected(children: Children) -> impl IntoView {
+    let (collapsed, set_collapsed) = signal(false);
+
     view! {
         <SidenavWrapper attr:style="--sidenav-width:16rem; --sidenav-width-icon:3rem;">
             // Masaüstü Sidenav
-            <Sidenav>
+            <Sidenav 
+                data_collapsible=crate::components::ui::sidenav::SidenavCollapsible::Icon 
+                data_state=if collapsed.get() { crate::components::ui::sidenav::SidenavState::Collapsed } else { crate::components::ui::sidenav::SidenavState::Expanded }
+            >
                 <Sidebar />
             </Sidenav>
 
             // İçerik Alanı
             <SidenavInset class="flex flex-col h-screen overflow-hidden">
                 // Toolbar (Üst Bar)
-                <Toolbar />
+                <Toolbar on_toggle_sidebar=move |_| set_collapsed.update(|c| *c = !*c) />
                 
                 // Ana İçerik
                 <main class="flex-1 overflow-y-auto relative bg-background flex flex-col">