docs: included dart_package.md missing "coverage" URL

[alestiago]

Status

READY

Description

The "coverage" reference was missing a URL in dart_package.md. Added a reference to the coverage package that has documentation about ignoring coverage:

Ignore lines from coverage
// coverage:ignore-line to ignore one line.
// coverage:ignore-start and // coverage:ignore-end to ignore range of lines inclusive.
// coverage:ignore-file to ignore the whole file.

Type of Change

• ✨ New feature (non-breaking change which adds functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• ❌ Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Code refactor
• ✅ Build configuration change
• 📝 Documentation
• 🗑️ Chore