indent suggested commands on subsequent line

Library/Homebrew/build.rb

Library/Homebrew/cask/artifact/installer.rb

Library/Homebrew/cmd/install.rb

Library/Homebrew/dev-cmd/bump.rb

Library/Homebrew/dev-cmd/irb.rb

Library/Homebrew/dev-cmd/pr-upload.rb

Library/Homebrew/dev-cmd/update-test.rb

Library/Homebrew/diagnostic.rb

Library/Homebrew/formula_installer.rb

Library/Homebrew/migrator.rb

Library/Homebrew/test/cask/artifact/installer_spec.rb

Library/Homebrew/test/cask/installer_spec.rb

Library/Homebrew/uninstall.rb

Library/Homebrew/utils/link.rb