new: implemented can.obd2 builtin parser

modules/can/can_message.go

@@ -0,0 +1,24 @@
+package can
+
+import (
+	"github.com/bettercap/bettercap/v2/network"
+	"go.einride.tech/can"
+)
+
+type Message struct {
+	// the raw frame
+	Frame can.Frame
+	// parsed as OBD2
+	OBD2 *OBD2Message
+	// parsed from DBC
+	Name    string
+	Source  *network.CANDevice
+	Signals map[string]string
+}
+
+func NewCanMessage(frame can.Frame) Message {
+	return Message{
+		Frame:   frame,
+		Signals: make(map[string]string),
+	}
+}