various cleanups

- please go vet
- adding missing mutex Unlock

bridge/api/api.go

@@ -110,8 +110,8 @@ func (b *Api) handleStream(c echo.Context) error {
 	c.Response().Header().Set(echo.HeaderContentType, echo.MIMEApplicationJSON)
 	c.Response().WriteHeader(http.StatusOK)
 	greet := config.Message{
-		Event:config.EVENT_API_CONNECTED,
-		Timestamp:time.Now(),
+		Event:     config.EVENT_API_CONNECTED,
+		Timestamp: time.Now(),
 	}
 	if err := json.NewEncoder(c.Response()).Encode(greet); err != nil {
 		return err