feat: implement Kependudukan menu with CRUD admin pages

- Add Distribusi Umur admin pages (list, create, edit)
- Add Data Banjar admin pages (list, create, edit)
- Add Migrasi Penduduk admin pages (list, create, edit)
- Update state management with full CRUD operations for all modules
- Add Kependudukan menu to admin sidebar (devBar, navBar, role1)
- Add public pages for Distribusi Umur with age range sorting
- Update Dinamika Penduduk to use real-time birth/death data
- Add Biome configuration for code linting
- Create API routes for all Kependudukan modules

Features:
- Pagination and search for all admin list pages
- Responsive design (table for desktop, cards for mobile)
- Delete confirmation modal
- Toast notifications for user feedback
- Zod validation for all forms
- Age range auto-sorting in public Distribusi Umur chart

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

src/app/admin/(dashboard)/_state/kependudukan/dashboard.ts

@@ -0,0 +1,27 @@
+import ApiFetch from "@/lib/api-fetch";
+import { proxy } from "valtio";
+
+const kependudukanDashboard = proxy({
+  summary: {
+    data: null as any,
+    loading: false,
+    async load() {
+      kependudukanDashboard.summary.loading = true;
+      try {
+        const res = await ApiFetch.api.kependudukan.dashboard.summary.get();
+        if (res.status === 200 && res.data?.success) {
+          kependudukanDashboard.summary.data = res.data.data;
+        } else {
+          kependudukanDashboard.summary.data = null;
+        }
+      } catch (err) {
+        console.error("Gagal fetch dashboard summary:", err);
+        kependudukanDashboard.summary.data = null;
+      } finally {
+        kependudukanDashboard.summary.loading = false;
+      }
+    },
+  },
+});
+
+export default kependudukanDashboard;