Function makeReadable

makeReadable(html: string): Article | null
Extracts readable article content from HTML using Mozilla Readability.

This function uses the Readability algorithm to extract the main article content from a web page, removing navigation, ads, and other clutter.

Features:
- Automatic article detection and extraction
- Metadata extraction (title, author, published date, etc.)
- Text direction and language detection
- Fallback handling for malformed HTML entities
Parameters
- html: string
  The raw HTML content to process
Returns Article | null
Article object with extracted content and metadata
Throws
When the article cannot be parsed or lacks sufficient content
Example
```
const html = await fetchHTML('https://example.com/article');
const article = makeReadable(html);

console.log(article.title);        // Article title
console.log(article.textContent);  // Plain text content
console.log(article.content);      // HTML content
console.log(article.byline);       // Author information
```
- Defined in readable.ts:207