Add option to block reports from domain (#8830)

db/migrate/20181017170937_add_reject_reports_to_domain_blocks.rb

@@ -0,0 +1,17 @@
+require Rails.root.join('lib', 'mastodon', 'migration_helpers')
+
+class AddRejectReportsToDomainBlocks < ActiveRecord::Migration[5.2]
+  include Mastodon::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  def up
+    safety_assured do
+      add_column_with_default :domain_blocks, :reject_reports, :boolean, default: false, allow_null: false
+    end
+  end
+
+  def down
+    remove_column :domain_blocks, :reject_reports
+  end
+end