Добавление миграций БД и моделей

db/migrate/20260312000002_create_auditors.rb

@@ -0,0 +1,13 @@
+class CreateAuditors < ActiveRecord::Migration[7.1]
+  def change
+    create_table :auditors do |t|
+      t.string :name
+      t.string :inn
+      t.string :ogrn
+
+      t.timestamps
+    end
+
+    add_index :auditors, :inn
+  end
+end