Address coding standard issues in README.md file that trigger warning messages

I will work on this

Created a MR request. Please review it.

FILE: /home/gai/drupal-git/drupal/modules/backup_migrate/src/Core/Config/README.md
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FOUND 8 ERRORS AFFECTING 7 LINES
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1 | ERROR | [x] Missing file doc comment
73 | ERROR | [x] Concat operator must be surrounded by a single space
74 | ERROR | [x] Concat operator must be surrounded by a single space
76 | ERROR | [x] Concat operator must be surrounded by a single space
78 | ERROR | [x] Concat operator must be surrounded by a single space
80 | ERROR | [x] Concat operator must be surrounded by a single space
80 | ERROR | [x] list(...) is forbidden, use [...] instead.
82 | ERROR | [x] Concat operator must be surrounded by a single space
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PHPCBF CAN FIX THE 8 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: /home/gai/drupal-git/drupal/modules/backup_migrate/src/Core/Service/README.md
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FOUND 0 ERRORS AND 3 WARNINGS AFFECTING 3 LINES
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3 | WARNING | Line exceeds 80 characters; contains 168 characters
11 | WARNING | Line exceeds 80 characters; contains 299 characters
13 | WARNING | Line exceeds 80 characters; contains 196 characters
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FILE: /home/gai/drupal-git/drupal/modules/backup_migrate/README.md
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FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
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9 | WARNING | Line exceeds 80 characters; contains 124 characters
10 | WARNING | Line exceeds 80 characters; contains 92 characters
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Time: 40ms; Memory: 8MB

Created a MR request to fixed the Concat operator must be surrounded by a single space & WARNING | Line exceeds 80 characters;

This needs work:
* Comments are not filled out to line 80 with many examples wrapping well short of that.
* Code comments that are wrapped at line 80 are not given the comment prefix.
* Sentences should be written in proper English with appropriate punctuation, e.g. no spaces between words and the period at the end.

ravi kant → made their first commit to this issue’s fork.

Updated Readme file according README Template →