feat: add kependudukan seeders, API routes, year filter, and navbar menu

- Add Prisma models: DataBanjar, DistribusiAgama, DistribusiUmur, MigrasiPenduduk, DinamikaPenduduk
- Create seeders for all kependudukan models with year 2026 data
- Register Kependudukan API routes in route.ts
- Update API findMany endpoints to make tahun parameter optional
- Add YearFilter reusable component for admin pages
- Update 4 kependudukan admin pages with year filter UI
- Fix Mantine color array in AdminThemeProvider (add 10th element)
- Fix invalid Mantine color scale in paguTable.tsx (gray.50 -> gray.1)
- Add Kependudukan menu to navbar-list-menu.ts
- Fix Bun JSON import resolution with loadJsonData helper
- Update 74 seeder files to use dynamic JSON loading

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

src/app/admin/(dashboard)/_state/kependudukan/migrasi-penduduk.ts

@@ -60,13 +60,14 @@ const migrasiPenduduk = proxy({
     totalPages: 1,
     loading: false,
     search: "",
-    load: async (page = 1, limit = 10, search = "", tahun = new Date().getFullYear()) => {
+    load: async (page = 1, limit = 10, search = "", tahun?: number) => {
       migrasiPenduduk.findMany.loading = true;
       migrasiPenduduk.findMany.page = page;
       migrasiPenduduk.findMany.search = search;
 
       try {
-        const query: any = { page, limit, tahun };
+        const query: any = { page, limit };
+        if (tahun) query.tahun = tahun;
         if (search) query.search = search;
 
         const res = await ApiFetch.api.kependudukan.migrasipenduduk["find-many"].get({ query });