Function isUndefinedOrNull

isUndefinedOrNull(object): boolean
Determines whether the provided object is undefined or null.

This function checks if the provided object is undefined or null. It is used to validate if the object has been assigned a value.
Parameters
- object: unknown
  
  The object to be checked. It can be of any type.
Returns boolean
true if the object is undefined or null, otherwise false.
Example
```
// Returns: true
ix.api.is.isUndefinedOrNull(undefined);
ix.api.is.isUndefinedOrNull(null);

// Returns: false
ix.api.is.isUndefinedOrNull("Hello, World!");
ix.api.is.isUndefinedOrNull(0);
ix.api.is.isUndefinedOrNull(false);
```