Use code blocks for CLI commands in Readme.md

[MRDGH2821]

Issue: None

Requirements

• Filling out the template is required. Any pull request that does not include enough information to be reviewed in a timely manner may be closed at the maintainers' discretion.

• issue was opened to discuss proposed changes before starting implementation. It is important do discuss changes before implementing them (Why should we add it? How should it work? How should it look? Where will it be? ...).
• during development, node version specified in package.json was used (ie using nvm).
• package versions and package-lock.json were not changed (npm install --no-save).
• app version number was not changed.
• all new code has tests to ensure against regressions.
• npm run lint reports no offenses.
• npm run test is error-free.
• README and CHANGELOG were updated accordingly.
• after PR is approved, all commits in it are squashed

Description of the Change

Use code blocks for CLI commands

Verification Process

Other information

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (41cfee7) 72.39% compared to head (1c66ee2) 72.39%.

Additional details and impacted files

@@           Coverage Diff           @@
##            trunk    #1416   +/-   ##
=======================================
  Coverage   72.39%   72.39%           
=======================================
  Files          14       14           
  Lines         355      355           
=======================================
  Hits          257      257           
  Misses         98       98           

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[MRDGH2821]

Resolved as requested

[hovancik]

Cheers!

[MRDGH2821]

Was it code fence or code block ?🤔
Either way, my intent was to make it easier to copy commands.😄

[hovancik]

No idea :D