Add secrets command + 1password integration

lib/kamal/cli/main.rb

@@ -211,6 +211,9 @@ class Kamal::Cli::Main < Kamal::Cli::Base
   desc "registry", "Login and -out of the image registry"
   subcommand "registry", Kamal::Cli::Registry
 
+  desc "secrets", "Helpers for extracting secrets", hide: true
+  subcommand "secrets", Kamal::Cli::Secrets
+
   desc "server", "Bootstrap servers with curl and Docker"
   subcommand "server", Kamal::Cli::Server