Use GitHub Flavored Markdown for table formatting

[mumblingMac]

Fixed markdown table formatting to comply with GitHub Flavored Markdown Specification following the details provided in issue #251.

Updated the targeted unit tests as necessary.

Manually validated the generated table could be rendered using the Live Github-Flavored Markdown Editor.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (72d49f0) 94.21% compared to head (8cee2e0) 94.21%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #268   +/-   ##
=======================================
  Coverage   94.21%   94.21%           
=======================================
  Files           5        5           
  Lines        2387     2387           
=======================================
  Hits         2249     2249           
  Misses        138      138           

Flag	Coverage Δ
macos-latest	94.17% <100.00%> (ø)
ubuntu-latest	94.17% <100.00%> (ø)
windows-latest	94.13% <100.00%> (ø)

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[hugovk]

Thank you!