Add daisyui integration, remove Header and page components, and update layout structure

apps/web/src/routes/(dashboard)/+layout.svelte

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+<script>
+  const { children } = $props();
+</script>
+
+<div class="max-w-[1600px w-full">
+  <main
+    id="container-central"
+    class="m-3 rounded-xl shadow-sm overflow-y-auto p-4"
+  >
+    {@render children()}
+  </main>
+</div>

apps/web/src/routes/(dashboard)/+page.svelte

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+<div class="space-y-4">
+  <h2 class="text-2xl font-bold text-brand-dark">Dashboard</h2>
+  <div class="grid md:grid-cols-3 gap-4">
+    <div class="p-4 rounded-xl border">Bem-vindo ao SGSE.</div>
+    <div class="p-4 rounded-xl border">Selecione um setor no menu lateral.</div>
+    <div class="p-4 rounded-xl border">KPIs e gráficos virão aqui.</div>
+  </div>
+</div>

apps/web/src/routes/(dashboard)/recursos-humanos/+page.svelte

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+<h1 class="text-2xl font-bold">Recursos Humanos</h1>