feat: adição de novos ícones SVG e configuração do ambiente

- Adicionados ícones SVG para ChatGPT, Claude, Gemini e OpenRouter
- Implementados ícones para modos claro e escuro do ChatGPT
- Criado script de inicialização para PostgreSQL com extensão pgcrypto
- Adicionado script de configuração de ambiente que faz backup do .env
- Configurado tsconfig.json para TypeScript com opções de compilação

app/(dashboard)/orcamentos/loading.tsx

@@ -0,0 +1,68 @@
+import { Skeleton } from "@/components/ui/skeleton";
+
+/**
+ * Loading state para a página de orçamentos
+ * Layout: MonthPicker + Header + Grid de cards de orçamento
+ */
+export default function OrcamentosLoading() {
+  return (
+    <main className="flex flex-col gap-6">
+      {/* Month Picker placeholder */}
+      <div className="h-[60px] animate-pulse rounded-2xl bg-foreground/10" />
+
+      <div className="space-y-6">
+        {/* Header */}
+        <div className="flex items-center justify-between">
+          <div className="space-y-2">
+            <Skeleton className="h-8 w-48 rounded-2xl bg-foreground/10" />
+            <Skeleton className="h-5 w-64 rounded-2xl bg-foreground/10" />
+          </div>
+          <Skeleton className="h-10 w-40 rounded-2xl bg-foreground/10" />
+        </div>
+
+        {/* Grid de cards de orçamentos */}
+        <div className="grid grid-cols-1 gap-4 md:grid-cols-2 lg:grid-cols-3">
+          {Array.from({ length: 6 }).map((_, i) => (
+            <div
+              key={i}
+              className="rounded-2xl border p-6 space-y-4"
+            >
+              {/* Categoria com ícone */}
+              <div className="flex items-center gap-3">
+                <Skeleton className="size-10 rounded-2xl bg-foreground/10" />
+                <div className="flex-1 space-y-2">
+                  <Skeleton className="h-5 w-32 rounded-2xl bg-foreground/10" />
+                  <Skeleton className="h-4 w-20 rounded-2xl bg-foreground/10" />
+                </div>
+              </div>
+
+              {/* Valor orçado */}
+              <div className="space-y-2 pt-4 border-t">
+                <Skeleton className="h-4 w-24 rounded-2xl bg-foreground/10" />
+                <Skeleton className="h-7 w-32 rounded-2xl bg-foreground/10" />
+              </div>
+
+              {/* Valor gasto */}
+              <div className="space-y-2">
+                <Skeleton className="h-4 w-20 rounded-2xl bg-foreground/10" />
+                <Skeleton className="h-6 w-28 rounded-2xl bg-foreground/10" />
+              </div>
+
+              {/* Barra de progresso */}
+              <div className="space-y-2">
+                <Skeleton className="h-2 w-full rounded-full bg-foreground/10" />
+                <Skeleton className="h-3 w-16 rounded-2xl bg-foreground/10" />
+              </div>
+
+              {/* Botões de ação */}
+              <div className="flex gap-2 pt-2">
+                <Skeleton className="h-9 flex-1 rounded-2xl bg-foreground/10" />
+                <Skeleton className="h-9 w-9 rounded-2xl bg-foreground/10" />
+              </div>
+            </div>
+          ))}
+        </div>
+      </div>
+    </main>
+  );
+}