Drupal Coding Standards Issues | phpcs

Problem/Motivation

Getting Following errors/warnings

$ phpcs --standard=Drupal simple_affiliate

FILE: ...:\Users\Admin\Desktop\task\simple_affiliate\src\Controller\SetTracking.php
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FOUND 1 ERROR AND 1 WARNING AFFECTING 2 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
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: ...dmin\Desktop\task\simple_affiliate\src\Plugin\Block\AffiliateLinkBlock.php
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FOUND 1 ERROR AND 2 WARNINGS AFFECTING 3 LINES
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  1 | ERROR   | [x] End of line character is invalid; expected "\n" but found
    |         |     "\r\n"
 35 | WARNING | [x] A comma should follow the last multiline array item. Found:
    |         |     ]
 36 | WARNING | [x] A comma should follow the last multiline array item. Found:
    |         |     ]
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PHPCBF CAN FIX THE 3 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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Time: 420ms; Memory: 8MB

Proposed resolution

Fix the errors and warnings.