Add ability to email announcements to all users (#33928)

app/controllers/admin/announcements/distributions_controller.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class Admin::Announcements::DistributionsController < Admin::BaseController
+  before_action :set_announcement
+
+  def create
+    authorize @announcement, :distribute?
+    @announcement.touch(:notification_sent_at)
+    Admin::DistributeAnnouncementNotificationWorker.perform_async(@announcement.id)
+    redirect_to admin_announcements_path
+  end
+
+  private
+
+  def set_announcement
+    @announcement = Announcement.find(params[:announcement_id])
+  end
+end