Module is not compitable to Drupal coding standard.

Problem/Motivation

$ phpcs --standard=drupal page_attach_library

FILE: ...web\modules\page_attach_library\src\Form\PageAttachLibrarySettingsForm.php
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FOUND 5 ERRORS AND 1 WARNING AFFECTING 6 LINES
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1 | ERROR | [x] End of line character is invalid; expected "\n" but found
| | "\r\n"
11 | WARNING | [ ] The class short comment should describe what the class
| | does and not simply repeat the class name
105 | ERROR | [x] Use null coalesce operator instead of ternary operator.
114 | ERROR | [x] Use null coalesce operator instead of ternary operator.
123 | ERROR | [x] Use null coalesce operator instead of ternary operator.
142 | ERROR | [x] Use null coalesce operator instead of ternary operator.
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PHPCBF CAN FIX THE 5 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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