Introduce option model for storing necessary configuration data.

app/Http/Controllers/Api/OptionController.php

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+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Models\Option;
+use Illuminate\Http\Request;
+use Illuminate\Http\JsonResponse;
+
+class OptionController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index(): JsonResponse
+    {
+        return response()->json(Option::all(['name', 'value']));
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request): JsonResponse
+    {
+        foreach ($request->all() as $key => $value) {
+            $option = Option::firstOrNew(['name' => $key]);
+
+            $option->value = $value;
+            $option->save();
+        }
+        return response()->json($request->all());
+    }
+}

app/Http/Controllers/OptionController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Contracts\View\View;
+
+class OptionController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index(): View
+    {
+        return view('option.index');
+    }
+}

app/Models/Option.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Option extends Model
+{
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<int, string>
+     */
+    protected $fillable = [
+        'name',
+        'value',
+    ];
+
+}