gin

func InitializeRouterGroup(engine *gin.Engine, prefix string,
	controller api.Controller) (*gin.RouterGroup, error)

func Router(controller api.Controller, prefix string, decorator gin.HandlerFunc) (*gin.Engine, error)

func RunApi(controller api.Controller, addr string, prefix string, handlerMaker func(api.Controller, http.Handler) (http.Handler, error), wg *sync.WaitGroup) (*http.Server, *gin.Engine, error)