Add StandardRB and get some fixes

Rakefile

@@ -5,8 +5,9 @@ require "minitest/test_task"
 
 Minitest::TestTask.create
 
-require "rubocop/rake_task"
+# require "rubocop/rake_task"
+# RuboCop::RakeTask.new
 
-RuboCop::RakeTask.new
+require "standard/rake"
 
-task default: %i[test rubocop]
+task default: %i[test standard]