codigo actual del servidor, con avances de joan

app/Models/Wishlist.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Wishlist extends Model
+{
+    protected $guarded = [];
+    protected $fillable = ['user_id','product_id'];
+
+    public function product()
+    {
+        return $this->belongsTo(Product::class);
+    }
+}