Function isNil

isNil(value): value is undefined | null
It will determine whether the provided value is null/undefined or not.
Parameters
- value: unknown
Returns value is undefined | null
Since
1.0.0

Example
```
isNull(null);
// => true
```
Example
```
isNil(undefined);
// => true
```
Example
```
isNil(void 0);
// => true
```
- Defined in is-nil.ts:16