Support text/uri-list attachments

[davidjgoss]

🤔 What's changed?

Special support for attachments with MIME type text/uri-list, to render as hyperlinks that open in a new tab.

⚡️ What's your motivation?

See cucumber/common#2191

🏷️ What kind of change is this?

• ⚡ New feature (non-breaking change which adds new behaviour)

📋 Checklist:

• I agree to respect and uphold the Cucumber Community Code of Conduct
• I've changed the behaviour of the code
  • I have added/updated tests to cover my changes.
• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
• Users should know about my change
  • I have added an entry to the "Unreleased" section of the CHANGELOG, linking to this pull request.

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[mpkorstanje]

Looks good. Can you document all the supported media types in the readme? Otherwise this feature stays quite hidden.

[davidjgoss]

Can you document all the supported media types in the readme?

Good point, done.