✅ EntityFramework: Navigation property makes a nested object call

    public class Categories
    {
        [Key]
        public int category_id { get; set; }
        public string name { get; set; }
        // category can have many transports 
        public ICollection<Transports> Transports { get; set; }
    }

public class Transports
{
    [Key]
    public int transport_id { get; set; }
    public int category_id { get; set; }
    public Categories Category { get; set; }
    public string name { get; set; }
}

[
  {
    "transport_id": 0,
    "category_id": 0,
    "categories": {
      "category_id": 0,
      "name": "string",
      "transports": [
        "string"
      ]
    },
    "name": "string"
}
]

    "categories": {
      "category_id": 0,
      "name": "string",
      "transports": [
        "string"
      ]
    },

       // category can have many transports 
        [JsonIgnore]
        public ICollection<Transports> Transports { get; set; }

    public class TransportsDto
    {
        public int transport_id { get; set }
        public int category_id { get; set; }
        public string name { get; set; }


    }