feat: reset selektif + import Excel jenis pelanggaran

- Reset selektif: admin bisa pilih data mana yang akan dikosongkan
- Auto-seed kategori & SP threshold default setelah direset
- Deteksi admin via role (tidak hardcoded ID 1)
- UI reset full-width dengan checkbox card
- Import Excel jenis pelanggaran (.xlsx) dengan template download
- Drag & drop upload, validasi header, auto-match kategori, skip duplikat
- Tombol Import + Download Template di halaman Jenis Pelanggaran

routes/web.php

@@ -1,6 +1,7 @@
 <?php
 
 use App\Http\Controllers\ProfileController;
+use App\Http\Controllers\Admin\ImportController;
 use App\Http\Controllers\Admin\MasterDataController;
 use App\Http\Controllers\Admin\SettingsController;
 use App\Http\Controllers\Admin\SyncController;
@@ -65,6 +66,10 @@ Route::middleware('auth')->group(function () {
     Route::put('/settings/violation-types/{type}', [MasterDataController::class, 'updateType'])->name('settings.violation-types.update');
     Route::delete('/settings/violation-types/{type}', [MasterDataController::class, 'destroyType'])->name('settings.violation-types.destroy');
 
+    // Import
+    Route::get('/settings/import/template', [ImportController::class, 'downloadTemplate'])->name('settings.import.template');
+    Route::post('/settings/import/violation-types', [ImportController::class, 'importViolationTypes'])->name('settings.import.violation-types');
+
     Route::get('/settings/thresholds', [MasterDataController::class, 'thresholds'])->name('settings.thresholds');
     Route::put('/settings/thresholds', [MasterDataController::class, 'updateThresholds'])->name('settings.thresholds.update');