Added emails for new users who arent PRO

• Added:
- emails for new users who arent PRO

app/workers/scheduler/introduce_pro_scheduler.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class Scheduler::IntroduceProScheduler
+  include Sidekiq::Worker
+
+  sidekiq_options retry: 1
+  
+  def perform
+    new_accounts(8.days.ago, 7.days.ago).find_each do |acct|
+      IntroduceAccountProWorker.perform_async(acct.id, '7')
+    end
+
+    new_accounts(16.days.ago, 15.days.ago).find_each do |acct|
+      IntroduceAccountProWorker.perform_async(acct.id, '15')
+    end
+
+    new_accounts(31.days.ago, 30.days.ago).find_each do |acct|
+      IntroduceAccountProWorker.perform_async(acct.id, '30')
+    end
+  end
+
+  private
+
+  def new_accounts(start_date, end_date)
+    Account.where('is_pro=FALSE AND pro_expires_at IS NULL AND created_at BETWEEN ? AND ?', start_date, end_date)
+  end
+
+end