Revert "drop widget"

This reverts commit df8ed3c5ef.

web/index.html

@@ -838,6 +838,7 @@
 <script src="/js/jquery.magnific-popup.min.js"></script>
 <script src="/js/validator.js"></script>
 <script src="/js/main.js"></script>
+<script id="help-ukraine-win" defer src="/ukr/cdn/widget.js?type=four&position=top-left&layout=main"></script>
 <script src="/elf/p/platform.js" defer></script>
 </body>
 </html>