feat: add the firearms veto referendum and associated schema changes

[fastfadingviolets]

Summary

Add a short summary of the changes, and a reference to the original issue using # and the issue number, like #1

Checklist

• On the frontend, I've made my strings translate-able.
• If I've added shared components, I've added a storybook story.
• I've made pages responsive and look good on mobile.
• If I've added new Firestore queries, I've added any new required indexes to firestore.indexes.json (Please do not only create indexes through the Firebase Web UI, even though the error messages may reccommend it - indexes created this way may be obliterated by subsequent deploys)

Screenshots

Known issues

If you've run against limitations or caveats, include them here. Include follow-up issues as well.

Steps to test/reproduce

For each feature or bug fix, create a step by step list for how a reviewer can test it out. E.g.:

1. Go to the ballot questions page
2. Gun control referendum should be there

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Project	Deployment	Actions	Updated (UTC)
maple-dev	Ready	Preview, Comment	Apr 28, 2026 10:04am