feat: pass in downloader options to got (#90)

* feat: add request options for GotDownloader

* got expects any according to the source code 🤷

src/GotDownloader.ts

@@ -4,12 +4,12 @@ import * as path from 'path';
 
 import { Downloader } from './Downloader';
 
-export class GotDownloader implements Downloader<null> {
-  async download(url: string, targetFilePath: string) {
+export class GotDownloader implements Downloader<any> {
+  async download(url: string, targetFilePath: string, options?: any) {
     await fs.mkdirp(path.dirname(targetFilePath));
     const writeStream = fs.createWriteStream(targetFilePath);
     await new Promise((resolve, reject) => {
-      const downloadStream = got.stream(url);
+      const downloadStream = got.stream(url, options);
       downloadStream.pipe(writeStream);
 
       downloadStream.on('error', error => reject(error));