Fix dark mode table visibility and security improvements

- Add dark mode overrides for table cell text colors to ensure visibility
- Remove Google Maps API key exposure from /api/config endpoint (security fix)
- Update privacy policy to clarify international server hosting
- Switch from CDN resources to local files for better control
- Add SCSS build system for future styling improvements

public/privacy.html

@@ -118,7 +118,7 @@
             <p><strong>We do not sell, rent, or share your personal information with third parties.</strong></p>
             <ul>
                 <li>Location reports are displayed publicly on the map (this is the service's purpose)</li>
-                <li>We may disclose information if required by law or to protect safety</li>
+                <li>This service is operated from servers located outside the United States and may be subject to different legal requirements and jurisdictions</li>
                 <li>Anonymous usage statistics may be shared to improve community safety tools</li>
             </ul>