reorganize and cleanup php server code

server/app/Http/Controllers/Api/SettingsController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Vanguard\Http\Controllers\Api;
+
+use Setting;
+
+/**
+ * @package Vanguard\Http\Controllers\Api\Settings
+ */
+class SettingsController extends ApiController
+{
+    public function __construct()
+    {
+        $this->middleware('permission:settings.general');
+    }
+    /**
+     * System settings.
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function index()
+    {
+        return response()->json(Setting::all());
+    }
+}