Add migration for unencrypted ln login field

db/migrate/20230111113139_add_ln_account_to_users.rb

@@ -0,0 +1,9 @@
+class AddLnAccountToUsers < ActiveRecord::Migration[7.0]
+  def change
+    add_column :users, :ln_account, :string
+
+    User.all.each do |user|
+      user.update! ln_account: user.ln_login
+    end
+  end
+end