add rufus scheduler

Gemfile.lock

@@ -578,7 +578,7 @@ DEPENDENCIES
   rubocop-rails
   rubocop-rake
   rubocop-rspec
-  rufus-scheduler (~> 3.9)
+  rufus-scheduler
   sassc-rails
   sentry-rails
   sentry-ruby

config/initializers/scheduler.rb

@@ -0,0 +1,28 @@
+require "rufus-scheduler"
+
+scheduler = Rufus::Scheduler.new
+
+# Harvest Import Job
+scheduler.every "30m" do
+  HarvestImportJob.perform_later
+end
+
+# Github Import Job
+scheduler.every "30m" do
+  GithubImportJob.perform_later
+end
+
+# Slack Notification Job
+scheduler.cron "0 8 * * * Europe/Berlin" do
+  SlackNotificationJob.perform_later
+end
+
+# Slack Congratulation Job
+scheduler.cron "0 9 * * * Europe/Berlin" do
+  SlackCongratulationJob.perform_later
+end
+
+# Slack Set Status Job
+scheduler.cron "0 0 * * * Europe/Berlin" do
+  SlackSetStatusJob.perform_later
+end