Fix coding standard issues for 8.x

FILE: /block_content_machine_name/block_content_machine_name.info.yml
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FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
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 7 | WARNING | All dependencies must be prefixed with the project
   |         | name, for example "drupal:"
 8 | WARNING | All dependencies must be prefixed with the project
   |         | name, for example "drupal:"
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FILE: /block_content_machine_name/block_content_machine_name.module
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FOUND 3 ERRORS AFFECTING 3 LINES
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 39 | ERROR | [x] Object operator not indented correctly; expected 6
    |       |     spaces but found 7
 43 | ERROR | [x] Object operator not indented correctly; expected 7
    |       |     spaces but found 8
 47 | ERROR | [x] Object operator not indented correctly; expected 8
    |       |     spaces but found 7
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PHPCBF CAN FIX THE 3 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: /block_content_machine_name/README.md
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FOUND 1 ERROR AND 5 WARNINGS AFFECTING 6 LINES
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  5 | WARNING | [ ] Line exceeds 80 characters; contains 90
    |         |     characters
  7 | WARNING | [ ] Line exceeds 80 characters; contains 116
    |         |     characters
 10 | WARNING | [ ] Line exceeds 80 characters; contains 92
    |         |     characters
 14 | WARNING | [ ] Line exceeds 80 characters; contains 98
    |         |     characters
 19 | WARNING | [ ] Line exceeds 80 characters; contains 181
    |         |     characters
 31 | 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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