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.

app/Models/Ecommerce/Product/ProductView/ProductView.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Models\Ecommerce\Product\ProductView;
+
+use App\Models\Ecommerce\Product\Product\Product;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class ProductView extends Model
+{
+    use HasFactory;
+
+    /**
+     * The table associated with the model.
+     */
+    protected $table = 'product_views';
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<int, string>
+     */
+    protected $fillable = [
+        'user_id',
+        'product_id',
+        'updated_at',
+    ];
+
+    /**
+     * Product
+     */
+    public function product(): BelongsTo
+    {
+        return $this->belongsTo(Product::class);
+    }
+
+    /**
+     * User
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}