Fix the issues reported by PHPCS

Problem/Motivation

Getting the following error/warnings

FILE: /node_read_time/node_read_time.module
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FOUND 2 ERRORS AFFECTING 2 LINES
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119 | ERROR | [ ] Missing short description in doc comment
123 | ERROR | [x] Opening brace should be on the same line as the declaration
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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Steps to reproduce

Run the following command:
phpcs --standard="Drupal,DrupalPractice" --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml node_read_time