docs: add config for Caddy server (#1002)

Denis Bezykornov

2024-03-16 253497cad45b086aae3cc1c99e483146440ae8c2

 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
    }
}
```