func NewRequestPdf(body string) *RequestPdf {
	return &RequestPdf{
		body: body,
	}
}
new request to pdf function
package pdfGenerator
import (
	"bytes"
	"github.com/SebastiaanKlippert/go-wkhtmltopdf"
	"html/template"
	"io/ioutil"
	"log"
	"os"
	"strconv"
	"time"
)
type RequestPdf struct {
	body string
}