Function buildWwwRedirect

buildWwwRedirect(
    options: {
        domain: string;
        mode: "www-to-domain" | "domain-to-www";
        permanent?: boolean;
        priority?: number;
    },
): CaddyRoute
Build a WWW redirect route (www.example.com ↔ example.com)

Common patterns:
- "www-to-domain": www.example.com → example.com
- "domain-to-www": example.com → www.example.com
Parameters
- options: {
      domain: string;
      mode: "www-to-domain" | "domain-to-www";
      permanent?: boolean;
      priority?: number;
  }
  WWW redirect options
Returns CaddyRoute
Caddy route that redirects between www and non-www versions
Example
```
// Redirect www.example.com → example.com
const route = buildWwwRedirect({
  domain: "example.com",
  mode: "www-to-domain",
  permanent: true
});
```
Example
```
// Redirect example.com → www.example.com
const route = buildWwwRedirect({
  domain: "example.com",
  mode: "domain-to-www",
  permanent: true
});
```
- Defined in src/caddy/routes.ts:575