Add LineItem CSV import and fix Unit API

routes/api.php

@@ -9,6 +9,7 @@
 use App\Http\Controllers\ProductController;
 use App\Http\Controllers\SettingController;
 use App\Http\Controllers\TodoController;
+use App\Http\Controllers\UnitController;
 use App\Mail\OrderConfirmation;
 use App\Services\CaldavService;
 
@@ -46,7 +47,7 @@
 Route::get('/invoices/{id}/remind', [InvoiceController::class, 'remind']);
 
 Route::get('/lineitems/{invoiceId}', [LineItemController::class, 'index']);
-
+Route::post('/lineitems/import/{invoiceId}', [LineItemController::class, 'importFromCsv']);
 
 Route::get('/offers/{id}/confirm', function ($id) {
     // $offer = offerController::single($id);
@@ -96,3 +97,5 @@
 
 Route::get('/settings', [SettingController::class, 'index']);
 Route::post('/settings', [SettingController::class, 'update']);
+
+Route::apiResource('/units', UnitController::class);