Function isNumberOrString

isNumberOrString(value: unknown): value is string | number
Type guard to check if a value is a string or number.
Parameters
- value: unknown
  The value to test.
Returns value is string | number
True if the value is a string or number, else false.
Example
```
isNumberOrString('hello'); // true
isNumberOrString(42);      // true
isNumberOrString(true);    // false
```
- Defined in src/utils/core.utils.ts:157