Add robots.txt handler (#604)
Add robots.txt handler (#604)

Disallow all robots from accessing the phishing server, to prevent phishing materials from being indexed during campaigns.
jordan-wright/gophish,rfdevere/gophish,Vanhecke/gophish,jordan-wright/gophish,rfdevere/gophish,rfdevere/gophish,rfdevere/gophish,Vanhecke/gophish,jordan-wright/gophish,Vanhecke/gophish