feat: add callout metadata parsing (#1172)

Alex Nordstrom

2024-05-28 77d6d9623fc195f97de4d82f3498b4a5723e3d38

 docs/hosting.md

@@ -250,3 +250,21 @@
    }
}
```

### Using Caddy

Here's and example of how to do this with Caddy:

```caddy title="Caddyfile"
example.com {
    root * /path/to/quartz/public
    try_files {path} {path}.html {path}/ =404
    file_server
    encode gzip

    handle_errors {
        rewrite * /{err.status_code}.html
        file_server
    }
}
```