Initial commit: monorepo Match Live TV.

Rails API, app Flutter, infrastruttura Docker/MediaMTX, sito marketing e documentazione di deploy.

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

backend/app/models/user_team.rb

@@ -0,0 +1,10 @@
+class UserTeam < ApplicationRecord
+  ROLES = %w[owner member].freeze
+
+  belongs_to :user
+  belongs_to :team
+
+  validates :role, inclusion: { in: ROLES }
+  validates :staff_kind, inclusion: { in: TeamInvitation::STAFF_KINDS }, allow_nil: true
+  validates :user_id, uniqueness: { scope: :team_id }
+end