Add version footer and disable map scroll wheel zoom

- Add build-time version generation script that captures git commit info
- Create /api/version endpoint to serve version data
- Add version footer component showing commit SHA, date, and branch
- Link version SHA to commit on git.deco.sh for easy navigation
- Fix footer text duplication issue with i18n translations
- Disable mouse wheel zoom on map, require +/- buttons for better UX
- Update service worker cache to v4 with new version-footer.js

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

public/index.html

@@ -165,9 +165,9 @@ placeholder="Enter address, intersection (e.g., Main St & Second St, City), or l
         </div>
 
         <footer>
-            <p><strong data-i18n="footer.safetyNotice">Safety Notice:</strong> This is a community tool for awareness. Stay safe and <a href="https://www.aclu.org/know-your-rights/immigrants-rights" target="_blank" rel="noopener noreferrer" style="color: #007bff; text-decoration: underline;" data-i18n="footer.knowRights">know your rights</a>.</p>
+            <p><span data-i18n="footer.safetyNotice">Safety Notice: This is a community tool for awareness. Stay safe and</span> <a href="https://www.aclu.org/know-your-rights/immigrants-rights" target="_blank" rel="noopener noreferrer" style="color: #007bff; text-decoration: underline;" data-i18n="footer.knowRights">know your rights</a>.</p>
             <div class="disclaimer">
-                <small><span data-i18n="footer.disclaimer">This website is for informational purposes only. Verify information independently. Reports are automatically deleted after 48 hours. •</span> <a href="/privacy" style="color: #007bff; text-decoration: underline;" data-i18n="common.privacyPolicy">Privacy Policy</a></small>
+                <small><span data-i18n="footer.disclaimer">This website is for informational purposes only. Verify information independently. Reports are automatically deleted after 48 hours.</span> • <a href="/privacy" style="color: #007bff; text-decoration: underline;" data-i18n="common.privacyPolicy">Privacy Policy</a></small>
             </div>
         </footer>
     </div>
@@ -175,6 +175,7 @@ placeholder="Enter address, intersection (e.g., Main St & Second St, City), or l
     <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
     <script src="utils.js"></script>
     <script src="app-mapbox.js"></script>
+    <script src="version-footer.js"></script>
     
     <!-- PWA Service Worker Registration -->
     <script>