fix: Add top 3 prize info in award mail

Author: kumy

website/app-templates/smarty/emails/award-awarded.tpl

@@ -17,4 +17,8 @@
 <div class="text-center">
   <a class="btn btn-success btn-lg" href="{'user_details'|alias:sprintf('userid=%d', $award->holder->id):null:'#users-awards'}">{t}Check my profile{/t}</a>
 </div>
+<div class="s-3"></div>
+<p class="text-center"><strong>🎁 {t}Top 3 prizes{/t}</strong></p>
+<p class="text-justify">🥇🥈🥉{t}The top 3 winners in each category can redeem a special prize (a mug), kindly sponsored by @Detroit.{/t}</p>
+<p class="text-justify">{t}@Detroit will contact the winners via private messages.{/t}</p>
 {/block}