Aggiunge annunci in-app/sito, contatti e migliora UI copertina sul portale.

Include admin/API/banner nativi, form contatti e reset copertina standard con layout edit più ampio.

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

backend/app/mailers/contact_mailer.rb

@@ -0,0 +1,25 @@
+class ContactMailer < ApplicationMailer
+  def inquiry(name:, email:, club_name:, topic:, message:)
+    @name = name
+    @email = email
+    @club_name = club_name.presence
+    @topic = topic
+    @message = message
+
+    mail(
+      to: recipient_for(topic),
+      reply_to: email,
+      subject: t("mailers.contact.subject.#{topic}", name: name)
+    )
+  end
+
+  private
+
+  def recipient_for(topic)
+    if topic == "privacy"
+      MatchLiveTv.privacy_controller_email
+    else
+      MatchLiveTv.support_email
+    end
+  end
+end