feat: add promoter payouts controller and routes

db/migrate/20250816145933_devise_create_users.rb

@@ -52,7 +52,8 @@ class DeviseCreateUsers < ActiveRecord::Migration[8.0]
       # Add onboarding check on user model
       t.boolean :onboarding_completed, default: false, null: false
 
-      # add_column :users, :stripe_connected_account_id, :string
+      # Link user to Stripe account for promoter payout
+      t.string :stripe_connected_account_id
 
       t.timestamps null: false
     end

db/migrate/20250916215118_add_payout_fields_to_events.rb

@@ -1,6 +0,0 @@
-class AddPayoutFieldsToEvents < ActiveRecord::Migration[8.0]
-  def change
-    add_column :events, :payout_requested_at, :datetime
-    add_column :events, :payout_status, :integer
-  end
-end