Add secret_key_base configuration
Add secret_key_base configuration

https://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html#action-pack

awesomefoundation/awesomebits,awesomefoundation/awesomebits,awesomefoundation/awesomebits,awesomefoundation/awesomebits,awesomefoundation/awesomebits