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>

prisma/_seeder_list/desa/gallery/foto/seed_foto.ts

@@ -1,5 +1,7 @@
 import prisma from "@/lib/prisma";
-import foto from "../../../../data/desa/gallery/foto/foto.json";
+import { loadJsonData } from "../../../../load-json";
+
+const foto = loadJsonData("desa/gallery/foto/foto.json");
 
 export async function seedFoto() {
   console.log("🔄 Seeding Foto...");

prisma/_seeder_list/desa/gallery/video/seed_video.ts

@@ -1,5 +1,7 @@
 import prisma from "@/lib/prisma";
-import galleryVideo from "../../../../data/desa/gallery/video/video.json";
+import { loadJsonData } from "../../../../load-json";
+
+const galleryVideo = loadJsonData("desa/gallery/video/video.json");
 
 export async function seedVideo() {
   console.log("🔄 Seeding Gallery Video...");