update .gitignore
update .gitignore

twitter/secureheaders,davidhan527/secureheaders,reedloden/secureheaders,codelion/secureheaders,wlchou/secureheaders,didacte/secureheaders,jacobbednarz/secureheaders,wlchou/secureheaders,reedloden/secureheaders,eoy/secureheaders,eoy/secureheaders,eoy/secureheaders,wlchou/secureheaders,didacte/secureheaders,reedloden/secureheaders,codelion/secureheaders,codelion/secureheaders,didacte/secureheaders