fix: avoid sharing route to JSON data to offers

No paths leads there, and there are no reason to keep this route.

routes/Shop/Offers.php

@@ -1,5 +1,8 @@
 <?php
 
 Route::prefix('Offres')->name('Offers.')->group(function () {
-    Route::get('show/{id}', 'OfferController@show')->name('show');
+    // Public offer pages are not exposed; keep the route returning 404 to avoid leaking data.
+    Route::get('show/{id}', function () {
+        abort(404);
+    })->name('show');
 });