add email events

db/migrate/20240604070648_create_email_events.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class CreateEmailEvents < ActiveRecord::Migration[7.1]
+  def change
+    create_table :email_events do |t|
+      t.references :account, null: false, foreign_key: true, index: true
+      t.references :emailable, polymorphic: true, index: true, null: false
+      t.string :message_id, null: false, index: true
+      t.string :tag, null: false
+      t.string :event_type, null: false
+      t.string :email, null: false
+      t.text :data, null: false
+      t.datetime :event_datetime, null: false
+      t.datetime :created_at, null: false
+    end
+  end
+end