browser (headless) based http probing

[ehsandeep]

Please describe your feature request:

As of now, the' -ss option uses headless-based requests to capture screenshots and can be extended further for optional support of http probing.

   -hl, -headless      use headless mode for probing (experimental)

Describe the use case of this feature:

chaos -d hackerone.com | ./httpx -headless

http://a.ns.hackerone.com
https://mta-sts.hackerone.com
https://www.hackerone.com
https://docs.hackerone.com
http://zendesk2.hackerone.com
https://mta-sts.managed.hackerone.com
https://api.hackerone.com
https://resources.hackerone.com
https://support.hackerone.com
https://gslink.hackerone.com
http://zendesk4.hackerone.com
https://mta-sts.forwarding.hackerone.com
https://hackerone.com
http://b.ns.hackerone.com
http://zendesk1.hackerone.com
http://zendesk3.hackerone.com

Note:

• review: features, that can / can not be supported compared to standard mode.

[gprime31]

Perfect!!! Thank you!!!