Change tag routines, articles saving is ok

app/Models/Shop/Tax.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models\Shop;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Tax extends Model
+{
+    protected $guarded = ['id']; 
+    protected $table = 'shop_taxes';
+
+    public function price()
+    {
+		return $this->hasMany('App\Models\Shop\ArticlePrice','id','tax_id'); 
+    }
+
+}