anchor.diff:  { "users": [
   {   "_id":1
       "url": "/users/1",
  -    "name":"pan", 
  +    "name":"pan",
       "surname":"tam",
       "buyed": [
           {
  
positive.code:             "_order_id":1
          }
      ],
      ""
  }
  ] }
  
  Save new products in your shopping cart
  POST /shopping-cart
  
negative.code:             "price":120
              "currency":"CZK"
              "_order_id":1
              "payed":true
          },
          {
              "name":"kniha 1",
              "_id":1,
              "url":"/book/1",
              "price":120
              "currency":"CZK"
              "_order_id":1
              "payed":false
          }
      ],
      "favourite":[
  