Add NAS file manager integration and all pending platform changes

- Installed p7h/nas-file-manager package via private VCS repo
- Published config/nas-file-manager.php with super_admin middleware restriction
- Added NAS env vars to .env.example
- Created admin/nas-storage page with connection info panel and file browser widget
- Added NAS Storage link to admin sidebar (super_admin only)
- Added SuperAdminController@nasStorage method and admin.nas-storage route
- Includes all accumulated branch changes: profile wall, 2FA, audit logs,
  settings panel, country/phone/timezone components, posts, slideshow,
  playlist shares, video downloads/shares, comment likes, notifications,
  social links, and more

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

app/Services/GeoIpService.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Log;
+
+class GeoIpService
+{
+    private static array $privateRanges = [
+        '127.', '::1', '10.', '172.16.', '172.17.', '172.18.', '172.19.',
+        '172.20.', '172.21.', '172.22.', '172.23.', '172.24.', '172.25.',
+        '172.26.', '172.27.', '172.28.', '172.29.', '172.30.', '172.31.',
+        '192.168.',
+    ];
+
+    public static function lookup(string $ip): array
+    {
+        foreach (self::$privateRanges as $prefix) {
+            if (str_starts_with($ip, $prefix)) {
+                return ['country' => null, 'country_name' => null];
+            }
+        }
+
+        return Cache::remember('geoip_' . md5($ip), 86400, function () use ($ip) {
+            try {
+                $response = Http::timeout(3)->get(
+                    "http://ip-api.com/json/{$ip}",
+                    ['fields' => 'status,country,countryCode']
+                );
+
+                if ($response->successful() && $response->json('status') === 'success') {
+                    return [
+                        'country'      => $response->json('countryCode'),
+                        'country_name' => $response->json('country'),
+                    ];
+                }
+            } catch (\Throwable $e) {
+                Log::debug('GeoIP lookup failed for ' . $ip . ': ' . $e->getMessage());
+            }
+
+            return ['country' => null, 'country_name' => null];
+        });
+    }
+}