@Summary Create category @Tags Category @Description Create category @Produce json @Success 200 {object} models.Category @Failure 400 {object} models.Error @Failure 404 {object} models.Error @Failure 500 {object} models.Error @Router /crud/categories [post].

@Summary Delete category @Tags Category @Description Delete category @Produce json @Param id path string true "Category ID" @Success 204 @Failure 400 @Failure 404 {object} models.Error @Failure 500 {object} models.Error @Router /crud/categories/{id} [delete].

@Summary Get all categories @Tags Category @Description Get all categories @Produce json @Success 200 {array} []models.Category @Failure 500 {object} models.Error @Router /crud/categories [get].

@Summary Get category by id @Tags Category @Description Get category by id @Produce json @Param id path string true "Category ID" @Success 200 {object} models.Category @Failure 400 @Failure 404 {object} models.Error @Failure 500 {object} models.Error @Router /crud/categories/{id} [get].

@Summary Update category @Tags Category @Description Update category @Produce json @Param id path string true "Category ID" @Success 200 {object} models.Category @Failure 400 {object} models.Error @Failure 404 {object} models.Error @Failure 500 {object} models.Error @Router /crud/categories/{id} [put].