Add tags to Honeybadger errors

honeybadger.rb

# config/initializers/honeybadger.rb
# See https://docs.honeybadger.io/lib/ruby/gem-reference/configuration/#changing-notice-data for more info
Honeybadger.configure do |config|
  config.before_notify do |notice|
    additional_tags = 
      case notice.backtrace.lines.first&.file
        when /stripe\.rb/
          ["payment"]
      else
        []
      end
    notice.tags = Array(notice.tags) |= additional_tags
  end
end