Fix/maintainability issues

[fredbi]

Change type

Please select: 🆕 New feature or enhancement|🔧 Bug fix'|📃 Documentation update

Short description

Fixes

Full description

Checklist

• I have signed all my commits with my name and email (see DCO. This does not require a PGP-signed commit
• I have rebased and squashed my work, so only one commit remains
• I have added tests to cover my changes.
• I have properly enriched go doc comments in code.
• I have properly documented any breaking change.

[codecov]

Codecov Report

❌ Patch coverage is 81.85279% with 143 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.30%. Comparing base (6ed8e73) to head (ffabbc4).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
codegen/internal/generator/doc_generator.go	0.00%	48 Missing ⚠️
codegen/internal/scanner/examples-parser/parser.go	83.41%	24 Missing and 10 partials ⚠️
codegen/internal/generator/funcmaps/markdown.go	20.00%	21 Missing and 3 partials ⚠️
internal/assertions/assertion.go	15.78%	16 Missing ⚠️
require/require_assertions.go	76.92%	4 Missing and 2 partials ⚠️
require/require_format.go	76.92%	4 Missing and 2 partials ⚠️
...odegen/internal/scanner/examples-parser/options.go	50.00%	3 Missing ⚠️
internal/assertions/yaml.go	87.50%	2 Missing ⚠️
internal/spew/dump.go	98.55%	1 Missing and 1 partial ⚠️
codegen/main.go	0.00%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #51      +/-   ##
==========================================
- Coverage   96.97%   91.30%   -5.67%     
==========================================
  Files          53       81      +28     
  Lines        8227    10617    +2390     
==========================================
+ Hits         7978     9694    +1716     
- Misses        164      744     +580     
- Partials       85      179      +94     

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