Added testing and rewrite serializer

Signed-off-by: Alexander Lazarenko <kerblif@unprism.ru>

certificate.go

@@ -1,5 +1,41 @@
 package n9m
 
+type NetConnectionType uint
+
+const (
+	NetConnectionWired NetConnectionType = iota
+	NetConnectionWireless
+)
+
+type TimeShiftSupportFlag uint8
+
+const (
+	TimeShiftNotSupported TimeShiftSupportFlag = iota
+	TimeShiftSupported
+)
+
+type FileSystemVersionNumber uint8
+
+const (
+	FileSystemVersion4 FileSystemVersionNumber = iota
+	FileSystemVersion5
+)
+
+type CertificateConnectRequest struct {
+	Net               NetConnectionType       `json:"NET"`
+	SerialNumber      string                  `json:"DNSO"`
+	DeviceName        string                  `json:"DEVNAME"`
+	ChannelsNumber    uint                    `json:"CHANNEL"`
+	LicensePlate      string                  `json:"CARNUM"`
+	DeviceNumber      string                  `json:"AUTONO"`
+	VehicleNumber     string                  `json:"AUTOCAR"`
+	TimeShiftSupport  TimeShiftSupportFlag    `json:"TSE"`
+	FileSystemVersion FileSystemVersionNumber `json:"FSV"`
+	ICCID             string                  `json:"ICCID"`
+	EvidenceSupport   string                  `json:"EV"`
+}
+
+/*
 func (e *Package) RequestConnect(session string, serial string, numOfCams int) {
 	e.Payload = map[string]any{
 		"MODULE":    "CERTIFICATE",
@@ -39,3 +75,5 @@ func (e *Package) ResponseCertificateConnect(Sid string) {
 		"SESSION": Sid,
 	}
 }
+
+*/