Add product view tracking and related functionality

- Implemented product view tracking in ProductController to log user views.
- Added a relationship for viewed products in the User model.
- Introduced a method in ProductRepository to filter products viewed by a user.
- Updated API routes to include endpoint for retrieving viewed products.
- Commented out SMS notification logic in SendOrderCreatedNotification.
- Removed CreateOrderServiceTest as it is no longer needed.

database/migrations/2026_02_08_005427_create_product_views_table.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('product_views', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('product_id')->constrained()->cascadeOnDelete();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('product_views');
+    }
+};