codigo actual del servidor, con avances de joan

app/Models/ProductTranslation.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ProductTranslation extends Model
+{
+    protected $fillable = ['product_id', 'name', 'unit', 'description', 'lang'];
+
+    public function product(){
+      return $this->belongsTo(Product::class);
+    }
+}