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]>

database/migrations/2026_04_30_220000_create_posts_table.php

@@ -0,0 +1,24 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::create('posts', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->text('body')->nullable();
+            $table->foreignId('video_id')->nullable()->constrained()->nullOnDelete();
+            $table->string('image')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('posts');
+    }
+};