style: format code with Prettier, RuboCop, StandardJS and StandardRB

This commit fixes the style issues introduced in 01f7446 according to the output
from Prettier, RuboCop, StandardJS and StandardRB.

Details: #109

config/initializers/new_framework_defaults_7_1.rb

@@ -241,7 +241,6 @@
 # this file):
 #   config.active_support.cache_format_version = 7.1
 
-
 ###
 # Configure Action View to use HTML5 standards-compliant sanitizers when they are supported on your
 # platform.
@@ -253,7 +252,6 @@
 #++
 # Rails.application.config.action_view.sanitizer_vendor = Rails::HTML::Sanitizer.best_supported_vendor
 
-
 ###
 # Configure Action Text to use an HTML5 standards-compliant sanitizer when it is supported on your
 # platform.
@@ -265,14 +263,12 @@
 #++
 # Rails.application.config.action_text.sanitizer_vendor = Rails::HTML::Sanitizer.best_supported_vendor
 
-
 ###
 # Configure the log level used by the DebugExceptions middleware when logging
 # uncaught exceptions during requests.
 #++
 # Rails.application.config.action_dispatch.debug_exception_log_level = :error
 
-
 ###
 # Configure the test helpers in Action View, Action Dispatch, and rails-dom-testing to use HTML5
 # parsers.