Enable tooltips

Change-Id: Icf702e87ded80800134875676ab429f7264ce6af
diff --git a/static/main.js b/static/main.js
index e83a584..7ed582c 100644
--- a/static/main.js
+++ b/static/main.js
@@ -2,6 +2,8 @@
 (function() {
     'use strict';
     window.addEventListener('load', function() {
+        const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle="tooltip"]')
+        const tooltipList = [...tooltipTriggerList].map(tooltipTriggerEl => new bootstrap.Tooltip(tooltipTriggerEl))
         update_total_due();
         update_paper_id_field();
         // Fetch all the forms we want to apply custom Bootstrap validation styles to