feat: implementasi Kodeva - sistem manajemen kursus coding

Fitur lengkap:
- Auth JWT + RBAC (Admin/Teacher) + halaman login
- Shell 3 kolom (left nav, topbar, right rail dashboard)
- CRUD siswa + follow up kanban + status calon/student/ex
- Dashboard: siswa aktif, kehadiran, bar sumber lead, perlu follow up
- Pembayaran prorata per pertemuan (cash/transfer/qris)
- Kelas, enrollment, generate sesi, kehadiran bulk
- Jurnal aktivitas + upload multi-foto
- Raport + placement test (tampil di detail siswa)
- Pengaturan & seed data contoh

Stack: Next.js 16, TypeScript, Tailwind v4, Prisma (SQLite), Recharts, Zod

eslint.config.mjs

@@ -0,0 +1,18 @@
+import { defineConfig, globalIgnores } from "eslint/config";
+import nextVitals from "eslint-config-next/core-web-vitals";
+import nextTs from "eslint-config-next/typescript";
+
+const eslintConfig = defineConfig([
+  ...nextVitals,
+  ...nextTs,
+  // Override default ignores of eslint-config-next.
+  globalIgnores([
+    // Default ignores of eslint-config-next:
+    ".next/**",
+    "out/**",
+    "build/**",
+    "next-env.d.ts",
+  ]),
+]);
+
+export default eslintConfig;