Grouping routes

func main() {
	router := gin.Default()

	// Grupo simple con ruta: v1
	{
		v1 := router.Group("/v1")
		v1.POST("/login", loginEndpoint)
		v1.POST("/submit", submitEndpoint)
		v1.POST("/read", readEndpoint)
	}

	// Grupo simple con ruta: v2
	{
		v2 := router.Group("/v2")
		v2.POST("/login", loginEndpoint)
		v2.POST("/submit", submitEndpoint)
		v2.POST("/read", readEndpoint)
	}

	router.Run(":8080")
}