Aggiunge modulo Replay, Garage dev e YouTube a livello società.

Pipeline registrazione/upload con storage S3, archivio web e app, proxy replay
per il browser, OAuth YouTube sulla pagina club (Premium Full) e footer legale.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/models/club.rb

@@ -5,6 +5,7 @@ class Club < ApplicationRecord
   has_many :club_memberships, dependent: :destroy
   has_many :users, through: :club_memberships
   has_many :teams, dependent: :destroy
+  has_one :youtube_credential, dependent: :destroy
   has_one :subscription, dependent: :destroy
   has_many :billing_payments, class_name: "Billing::Payment", dependent: :destroy
   has_many :billing_invoices, class_name: "Billing::Invoice", dependent: :destroy