Function gatherFeed

gatherFeed(url: string | URL): Promise<Feed>
Gather and parse a feed from a URL in one convenient call.
Parameters
- url: string | URL
  Feed URL as string or URL object
Returns Promise<Feed>
Normalized feed data
Remarks
This is a high-level convenience method that combines fetching and parsing. It handles encoding detection, redirects, and feed format detection automatically.

Throws
Error if URL is invalid, fetch fails, or feed cannot be parsed
Example
```
// Fetch and parse a feed
const feed = await gatherFeed('https://example.com/feed.xml');

console.log(feed.title);
console.log(feed.items[0].title);
console.log(feed.items[0].url);
```
- Defined in src/gather/feed.ts:32