Fix the issues reported by phpcs

Problem/Motivation

FILE: /var/www/html/vb/d_cont/file_type_indicator/README.md
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FOUND 0 ERRORS AND 3 WARNINGS AFFECTING 3 LINES
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1 | WARNING | Line exceeds 80 characters; contains 87 characters
8 | WARNING | Line exceeds 80 characters; contains 101 characters
9 | WARNING | Line exceeds 80 characters; contains 83 characters
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Time: 94ms; Memory: 10MB

Steps to reproduce

Execute the command: phpcs --standard=Drupal,DrupalPractice --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml,twig file_type_indicator/

Remaining tasks

Patch review