chore(smtp): add mailcatcher configuration

config/initializers/mailcatcher.rb

@@ -0,0 +1,13 @@
+if ENV.fetch('MAILCATCHER_ENABLED') == 'enabled'
+  ActiveSupport.on_load(:action_mailer) do
+    module Mailcatcher
+      class SMTP < ::Mail::SMTP; end
+    end
+
+    ActionMailer::Base.add_delivery_method :mailcatcher, Mailcatcher::SMTP
+    ActionMailer::Base.mailcatcher_settings = {
+      address: ENV.fetch("MAILCATCHER_HOST"),
+      port: ENV.fetch("MAILCATCHER_PORT")
+    }
+  end
+end