feat(seeder): add seeders for Sosial dashboard APIs

- Add seed_ringkasan_kesehatan.ts (ibuHamil=87, balita=342, stunting=12)
- Add seed_beasiswa_config.ts (tahun 2025/2026, dana Rp 1.2M)
- Add seed_kegiatan_desa.ts (KategoriKegiatan + KegiatanDesa incl. Budaya)
- Add kategori-kegiatan.json + kegiatan-desa.json data files
- Update posyandu.json: 1 → 8 posyandu (Mawar, Melati, Dahlia, Anggrek, dll)
- Update program-kesehatan.json: add persentase field + 4 stat entries
- Update seed_program_kesehatan.ts: include persentase in upsert
- Update seed.ts: import + call new seeders

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

prisma/_seeder_list/pendidikan/seed_beasiswa_config.ts

@@ -0,0 +1,22 @@
+import prisma from "@/lib/prisma";
+
+const SINGLETON_ID = "beasiswa_config_desa_001";
+
+export async function seedBeasiswaConfig() {
+  console.log("🔄 Seeding Beasiswa Config...");
+
+  await prisma.beasiswaConfig.upsert({
+    where: { id: SINGLETON_ID },
+    update: {
+      tahunAjaran: "2025/2026",
+      danaTersalurkan: BigInt(1200000000),
+    },
+    create: {
+      id: SINGLETON_ID,
+      tahunAjaran: "2025/2026",
+      danaTersalurkan: BigInt(1200000000),
+    },
+  });
+
+  console.log("✅ Beasiswa Config seeded");
+}