Adding coverage for coin modules

[sprohaszka-ledger]

✅ Checklist

• npx changeset was attached.
• Covered by automatic tests.
• Impact of the changes:
  • ...

📝 Description

Add quick setup for test coverage on coin-modules only.

Added on script to launch coverage report on all coin-modules, gather them and aggregate their results in a single report: pnpm coin:coverage (pnpm coin:coverage:clean to remove report).
To check the report, just open the generate file ./coverage/index.html

❓ Context

• JIRA or GitHub link: LIVE-12321

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🧐 Checklist for the PR Reviewers

• The code aligns with the requirements described in the linked JIRA or GitHub issue.
• The PR description clearly documents the changes made and explains any technical trade-offs or design decisions.
• There are no undocumented trade-offs, technical debt, or maintainability issues.
• The PR has been tested thoroughly, and any potential edge cases have been considered and handled.
• Any new dependencies have been justified and documented.
• Performance considerations have been taken into account. (changes have been profiled or benchmarked if necessary)

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New dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
npm/nyc@15.1.0	environment, filesystem, unsafe Transitive: eval, shell	+122	19.4 MB	coreyfarrell

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[lambertkevin]

Thanks for this 🙏
Just 2 comments before merging it:

• Rather than having a clean method, shouldn't we simply gitignore all "coverage" folders ?
• As it might not be fetched right now by a codecov like service, maybe switching the more human readable coverage reporter like html ? I'm pretty sure we can even have multiple reporters so json and html might be nice 👌

[sprohaszka-ledger]

Thanks for this 🙏 Just 2 comments before merging it:

• Rather than having a clean method, shouldn't we simply gitignore all "coverage" folders ?
• As it might not be fetched right now by a codecov like service, maybe switching the more human readable coverage reporter like html ? I'm pretty sure we can even have multiple reporters so json and html might be nice 👌

@lambertkevin
The "coverage" directories are all ignored ;)
I use the "json" files to generate the report. I can detail it, but I use the "html" report generate by Istanbul in the last stage of the coverage (in the generate dir: ./coverage/index.html)

[lambertkevin]

👍