Add Offset, Writer and FromString method
Offset
gojsonq.New().File("./data.json").From("items").Offset(10).Limit(10).Get()
Writer
gojsonq.New().File("./data.json").From("items").SortBy("price").Writer(os.Stdout)
FromString
gojsonq.New().FromString(jsonStr).From("items").Get()