Integrate auction

Closes #874

lib/tasks/domains/release.rake

@@ -0,0 +1,17 @@
+namespace :domains do
+  desc <<~TEXT.gsub("\n", "\s")
+    Releases domains with past `delete_at` by either sending them to the auction or discarding,
+    depending on `release_domains_to_auction` setting
+  TEXT
+
+  task :release do
+    released_domain_count = 0
+
+    Domain.release_domains do |domain|
+      puts "#{domain} is released"
+      released_domain_count += 1
+    end
+
+    puts "Released total: #{released_domain_count}"
+  end
+end