fix: VitePress styled block in code guidelines

[Xzelsius]

Description

Fixes a VitePress styled code block in the repository code guidelines.

Type of change

• Bug fix (non-breaking change which fixes an issue)

How has this been tested?

Manually

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.33%. Comparing base (daf1b44) to head (43ba167).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #113   +/-   ##
=======================================
  Coverage   93.33%   93.33%           
=======================================
  Files          16       16           
  Lines         225      225           
  Branches        9        9           
=======================================
  Hits          210      210           
  Misses         13       13           
  Partials        2        2           

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