feat: add migration

db/migrate/20240304103216_add_address_input_fields_to_lettings_log.rb

@@ -0,0 +1,6 @@
+class AddAddressInputFieldsToLettingsLog < ActiveRecord::Migration[7.0]
+  def change
+    add_column :lettings_logs, :address_line1_input, :string
+    add_column :lettings_logs, :postcode_full_input, :string
+  end
+end