Laura Weatherhead lssweatherhead

## CarbonFootprintCategoryGraphType.cs
public class CarbonFootprintCategoryGraphType : ObjectGraphType<ItemType>
  {
      public CarbonFootprintCategoryGraphType()
      {
          Name = "CarbonFootprintCategory";
          Field<NonNullGraphType<IntGraphType>>(
              "id",
              resolve: context => context.Source.Id
          );
          Field<NonNullGraphType<StringGraphType>>(

## DataModels.cs
[TableName("ItemTypes")]
[PrimaryKey("Id", autoIncrement = true)]
[ExplicitColumns]
public class ItemType
{
    [Column("Id")]
    [PrimaryKeyColumn(AutoIncrement = true)]
    public int Id { get; set; }

    [Column("Name")]