--download-url is not valid for scrape
If you want to scrape the OpenWrt download website and update the `config.js`:
```
If you want to scrape the OpenWrt download website and update the `config.js`:
```
-./collect.py --download-url "https://firmware.example.com/{version}/targets/{target}" scrape https://downloads.openwrt.org /var/www/firmware_selector
+./misc/collect.py scrape https://downloads.openwrt.org www/