Function: `ArrayInsertAt`

Append a value to an array

Method Signature

ArrayInsertAt(array=[modifiableArray], position=[integer], value=[any])

Argument	Type	Required	Description
`array`	`modifiableArray`	`true`	The array to be inserted into
`position`	`integer`	`true`	The position to insert at
`value`	`any`	`true`	The value to insert