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/musik-desa/seed_musik_desa.ts

@@ -0,0 +1,57 @@
+import prisma from "@/lib/prisma";
+import { loadJsonData } from "../../../load-json";
+
+const musikJson = loadJsonData("desa/musik-desa/musik-desa.json");
+
+export async function seedMusikDesa() {
+  console.log("Seeding Musik Desa...");
+
+  for (const item of musikJson) {
+    let audioFileId: string | null = null;
+    let coverImageId: string | null = null;
+
+    if (item.audioFileName) {
+      const audio = await prisma.fileStorage.findUnique({
+        where: { name: item.audioFileName },
+        select: { id: true },
+      });
+      if (audio) audioFileId = audio.id;
+    }
+
+    if (item.coverImageName) {
+      const cover = await prisma.fileStorage.findUnique({
+        where: { name: item.coverImageName },
+        select: { id: true },
+      });
+      if (cover) coverImageId = cover.id;
+    }
+
+    await prisma.musikDesa.upsert({
+      where: { id: item.id },
+      update: {
+        judul: item.judul,
+        artis: item.artis,
+        deskripsi: item.deskripsi,
+        durasi: item.durasi,
+        audioFileId,
+        coverImageId,
+        genre: item.genre,
+        tahunRilis: item.tahunRilis,
+      },
+      create: {
+        id: item.id,
+        judul: item.judul,
+        artis: item.artis,
+        deskripsi: item.deskripsi,
+        durasi: item.durasi,
+        audioFileId,
+        coverImageId,
+        genre: item.genre,
+        tahunRilis: item.tahunRilis,
+      },
+    });
+    console.log(`  Musik: ${item.judul} - ${item.artis}`);
+  }
+
+  console.log("Musik Desa seed selesai");
+}