add after_party task to setup stats

lib/tasks/deployment/20201006123842_setup_first_stats.rake

@@ -0,0 +1,11 @@
+namespace :after_party do
+  desc 'Deployment task: setup_first_stats'
+  task setup_first_stats: :environment do
+    Stat.update_stats
+
+    # Update task as completed.  If you remove the line below, the task will
+    # run with every deploy (or every time you call after_party:run).
+    AfterParty::TaskRecord
+      .create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+end