feat(ui): specify the dark theme style

[nabondance]

Dark Theme

According to GitHub, there is different dark themes styles that you can also
select using the input dark-style:

Dark Style	Example
dimmed
dark
high-contrast

[github-actions]

Cards generated by the CI: Download artifact

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.97%. Comparing base (55dd0cb) to head (3e7d522).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #139      +/-   ##
==========================================
+ Coverage   97.90%   97.97%   +0.07%     
==========================================
  Files          10       10              
  Lines         524      543      +19     
==========================================
+ Hits          513      532      +19     
  Misses         11       11              

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[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	7		0	0.06s
✅ JAVASCRIPT	eslint	21		0	2.38s
✅ JAVASCRIPT	prettier	23		0	2.48s
✅ JSON	jsonlint	4		0	0.47s
✅ JSON	npm-package-json-lint	yes		no	1.14s
✅ JSON	prettier	4		0	1.05s
✅ JSON	v8r	4		0	14.16s
✅ MARKDOWN	markdownlint	5		0	1.11s
✅ MARKDOWN	markdown-link-check	5		0	3.67s
✅ REPOSITORY	checkov	yes		no	16.91s
✅ REPOSITORY	gitleaks	yes		no	0.54s
✅ REPOSITORY	git_diff	yes		no	0.45s
✅ REPOSITORY	grype	yes		no	16.8s
✅ REPOSITORY	trivy-sbom	yes		no	0.99s
✅ REPOSITORY	trufflehog	yes		no	15.98s
✅ YAML	prettier	16		0	1.16s
✅ YAML	v8r	16		0	14.18s
✅ YAML	yamllint	16		0	3.53s

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