Add homepage to package.json

[coliff]

Useful to add. You can type npm home from command line to see the style spec in browser :-)

Launch Checklist

• Confirm your changes do not include backports from Mapbox projects (unless with compliant license) - if you are not sure about this, please ask!
• Briefly describe the changes in this PR.
• Link to related issues.
• Include before/after visuals or gifs if this PR includes visual changes.
• Write tests for all new functionality.
• Document any changes to public APIs.
• Post benchmark scores.
• Add an entry to CHANGELOG.md under the ## main section.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.70%. Comparing base (947b273) to head (e994d06).
Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #843   +/-   ##
=======================================
  Coverage   92.70%   92.70%           
=======================================
  Files         105      105           
  Lines        4646     4646           
  Branches     1312     1312           
=======================================
  Hits         4307     4307           
  Misses        339      339           

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[HarelM]

Is there a need to update the lock file or is this not part of what's written there?

[coliff]

no need to update package-lock (running npm i would add it if it was needed, but it doesn't).