feat: add admin controllers

app/Http/Controllers/admin/SettingController.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\SettingUpdateRequest;
+use App\Models\Setting;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\View\View;
+
+class SettingController extends Controller
+{
+
+    public function index(): View
+    {
+        $settings = Setting::orderBy('id')->get();
+
+        return view('admin.settings.index', compact('settings'));
+    }
+
+
+    public function update(SettingUpdateRequest $request): RedirectResponse
+    {
+        $data = $request->validated();
+
+        // چون جدول key-value است، هر ردیف را جداگانه به‌روزرسانی می‌کنیم
+        foreach ($data as $code => $value) {
+            Setting::where('code', $code)->update(['value' => $value]);
+        }
+
+        return back()
+            ->with('success', 'تنظیمات با موفقیت ذخیره شد.');
+    }
+}