update doc
update doc

stevebooks/devise_security_extension,stevebooks/devise_security_extension,monfresh/devise_security_extension,veritrans/devise_security_extension,nathaliegrima/devise_security_extension,appfolio/devise_security_extension,devise-security/devise-security,Paxa/devise_security_extension,Elyahou/devise_security_extension,phatworx/devise_security_extension,SolarCS/devise_security_extension,nathaliegrima/devise_security_extension,sforce100/devise_security_extension,grzlus/devise_security_extension,monfresh/devise_security_extension,appfolio/devise_security_extension,sandergroen/devise_security_extension,phatworx/devise_security_extension,kapost/devise_security_extension,Paxa/devise_security_extension,SolarCS/devise_security_extension,alphagov/devise_security_extension,viniciusnz/devise_security_extension,itsmechlark/devise_security_extension,itsmechlark/devise_security_extension,grzlus/devise_security_extension,veritrans/devise_security_extension,sforce100/devise_security_extension,Elyahou/devise_security_extension,devise-security/devise-security,devise-security/devise-security,sandergroen/devise_security_extension,tymat/devise_security_extension,tymat/devise_security_extension,manastech/devise_security_extension,viniciusnz/devise_security_extension,kapost/devise_security_extension