customNumericInput: Custom Numeric Input
In homerhanumat/shinyCustom: Custom Inputs for Shiny

Create a custom input control for entry of numeric values. The control updates if and only if the user presses Enter or shifts focus away from the control.

1 2	customNumericInput(inputId, label, value, min = NA, max = NA, step = NA, width = NULL)

`inputId`	The `input` slot that will be used to access the value.
`label`	Display label for the control, or NULL for no label.
`value`	Initial value.
`min`	Minimim allowed value.
`max`	Maximum allowed value.
`step`	Interval to use when stepping between min and max.
`width`	The width of the input, e.g., "200px" or "50%".