🔗 Fixed broken link to package scoring in viewutils.d

[Khushishukla2818]

This PR fixes the broken link that was pointing to an outdated URL for package scoring information.

🔍 Details of Changes:

• File Updated: source/dubregistry/viewutils.d
• Old Link:

  https://dub.pm/develop#package-scoring
  

• New Link:

  https://dub.pm/dub-guide/publishing/#package-scoring
  

• The updated link correctly points to the section explaining how package scores are computed.

Reason for Change:

• The old link resulted in a 404 error, leading to a broken user experience.
• This update ensures that users can now access the correct documentation.

Related Issue:

• Closes [#85](improve page title #85) — Broken link to packages' scores.