Drupal Coding Standarad issues

FILE: .../d8/web/modules/fathom_analytics/fathom_analytics.links.menu.yml
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FOUND 1 ERROR AFFECTING 1 LINE
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 5 | ERROR | [x] Expected 1 newline at end of file; 0 found
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: ...mar/work/d8/web/modules/fathom_analytics/fathom_analytics.module
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FOUND 3 ERRORS AND 1 WARNING AFFECTING 4 LINES
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  6 | ERROR   | [x] Whitespace found at end of line
 29 | WARNING | [ ] Format should be "* Implements hook_foo().", "*
    |         |     Implements hook_foo_BAR_ID_bar() for
    |         |     xyz_bar().",, "* Implements hook_foo_BAR_ID_bar()
    |         |     for xyz-bar.html.twig.", "* Implements
    |         |     hook_foo_BAR_ID_bar() for xyz-bar.tpl.php.", or
    |         |     "* Implements hook_foo_BAR_ID_bar() for block
    |         |     templates."
 30 | ERROR   | [ ] Doc comment short description must be on a single
    |         |     line, further text should be a separate paragraph
 38 | ERROR   | [x] Short array syntax must be used to define arrays
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PHPCBF CAN FIX THE 2 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: ...ork/d8/web/modules/fathom_analytics/fathom_analytics.routing.yml
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FOUND 1 ERROR AFFECTING 1 LINE
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 8 | ERROR | [x] Expected 1 newline at end of file; 0 found
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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Time: 716ms; Memory: 6Mb