Function makeLinksAbsolute

makeLinksAbsolute(hostname: string, html: string): string
Makes all link hrefs absolute in HTML content.

Finds all <a> tags and converts their href attributes from relative to absolute URLs using the provided hostname.
Parameters
- hostname: string
  The base hostname/URL for resolving relative paths
- html: string
  The HTML content to process
Returns string
HTML with all link hrefs converted to absolute URLs
Example
```
const html = '<a href="/about">About</a>';
makeLinksAbsolute('https://example.com', html);
// Returns: '<a href="https://example.com/about">About</a>'
```
- Defined in readable.ts:140