Add websub support on streamdown event

Author: Garza

internal/events/types/streamdown/streamdown.go

@@ -12,7 +12,7 @@ import (
 )
 
 var transportsSupported = map[string]bool{
-	models.TransportWebSub:   false,
+	models.TransportWebSub:   true,
 	models.TransportEventSub: true,
 }
 
@@ -56,6 +56,15 @@ func (e Event) GenerateEvent(params events.MockEventParameters) (events.MockEven
 				BroadcasterUserName:  params.ToUserName,
 			},
 		}
+		event, err = json.Marshal(body)
+		if err != nil {
+			return events.MockEventResponse{}, err
+		}
+	case models.TransportWebSub:
+		body := *&models.StreamDownWebSubResponse{
+			Data: []models.StreamDownWebSubResponseData{	
+			}}
+
 		event, err = json.Marshal(body)
 		if err != nil {
 			return events.MockEventResponse{}, err

internal/models/streamdown.go

@@ -12,3 +12,10 @@ type StreamDownEventSubEvent struct {
 	BroadcasterUserLogin string `json:"broadcaster_user_login"`
 	BroadcasterUserName  string `json:"broadcaster_user_name"`
 }
+
+type StreamDownWebSubResponse struct {
+	Data []StreamDownWebSubResponseData `json:"data"`
+}
+
+type StreamDownWebSubResponseData struct {
+}