style(rubocop): fix all safe auto correctable offenses

bin/setup

@@ -1,10 +1,10 @@
 #!/usr/bin/env ruby
-require 'pathname'
-require 'fileutils'
+require "pathname"
+require "fileutils"
 include FileUtils
 
 # path to your application root.
-APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
+APP_ROOT = Pathname.new File.expand_path("..", __dir__)
 
 def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
@@ -14,9 +14,9 @@ chdir APP_ROOT do
   # This script is a starting point to setup your application.
   # Add necessary setup steps to this file.
 
-  puts '== Installing dependencies =='
-  system! 'gem install bundler --conservative'
-  system('bundle check') || system!('bundle install')
+  puts "== Installing dependencies =="
+  system! "gem install bundler --conservative"
+  system("bundle check") || system!("bundle install")
 
   # puts "\n== Copying sample files =="
   # unless File.exist?('config/database.yml')
@@ -24,11 +24,11 @@ chdir APP_ROOT do
   # end
 
   puts "\n== Preparing database =="
-  system! 'bin/rails db:setup'
+  system! "bin/rails db:setup"
 
   puts "\n== Removing old logs and tempfiles =="
-  system! 'bin/rails log:clear tmp:clear'
+  system! "bin/rails log:clear tmp:clear"
 
   puts "\n== Restarting application server =="
-  system! 'bin/rails restart'
+  system! "bin/rails restart"
 end