### Initialize and Use Imgproxy Client

Source: https://github.com/unitedwardrobe/imgproxy-node/blob/main/README.md

Demonstrates how to initialize the Imgproxy client with base URL, key, salt, and encoding options. It then shows how to use the builder pattern to configure image transformations such as resize, gravity, and DPR, and finally generate the URL for a given image.

```typescript
import Imgproxy, { Gravity } from 'imgproxy';

const imgproxy = new Imgproxy({
  baseUrl: 'https://imgproxy.example.com',
  key: process.env.IMGPROXY_KEY,
  salt: process.env.IMGPROXY_SALT,
  encode: true,
});

imgproxy
  .builder()
  .resize('fill', 300, 200, 0)
  .gravity(Gravity.north_east)
  .dpr(2)
  .generateUrl('https://example.com/path/to/image.jpg');
```

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