Function slugify

slugify(value: string): string
Converts a string into a URL-friendly slug.
- Normalizes Unicode characters (removes accents/diacritics)
- Converts to lowercase
- Replaces spaces and non-alphanumeric characters with hyphens
- Collapses consecutive hyphens into one
- Trims leading and trailing hyphens
Parameters
- value: string
  The string to slugify
Returns string
A URL-friendly slug string
Example
```
import { slugify } from '@consumidor-positivo/ts-utils';

slugify('Hello World');           // 'hello-world'
slugify('Olá, Mundo!');           // 'ola-mundo'
slugify('  Multiple   Spaces  '); // 'multiple-spaces'
slugify('café & croissant');      // 'cafe-croissant'
slugify('título do artigo');      // 'titulo-do-artigo'
```