feat(ui): add workspace customization and simplify navigation

app/(dashboard)/dashboard-client.tsx

@@ -64,19 +64,13 @@ export function DashboardClient({ data }: DashboardClientProps) {
     <div className="mx-auto flex max-w-7xl flex-col gap-6">
       {/* Header */}
       <div className="flex flex-col gap-4 border-b border-border pb-5 lg:flex-row lg:items-end lg:justify-between">
-        <div className="space-y-2">
-          <div className="flex items-center gap-2 text-sm text-muted-foreground">
-            <Activity className="h-4 w-4" />
-            Genel Bakış
-          </div>
-          <div>
-            <h1 className="text-3xl font-semibold tracking-normal text-foreground">
-              Dashboard
-            </h1>
-            <p className="mt-1 max-w-2xl text-sm text-muted-foreground">
-              İş performansını, gelirlerini ve günlük durumunu takip et.
-            </p>
-          </div>
+        <div>
+          <h1 className="text-3xl font-semibold tracking-normal text-foreground">
+            Dashboard
+          </h1>
+          <p className="mt-1 max-w-2xl text-sm text-muted-foreground">
+            İş performansını, gelirlerini ve günlük durumunu takip et.
+          </p>
         </div>
 
         <div className="flex items-center gap-3">