show total reminders and intervals on admin dash

web/static/js/admin.js

@@ -3,6 +3,8 @@ document.addEventListener("DOMContentLoaded", () => {
         .then((resp) => resp.json())
         .then((data) => {
             document.querySelector("#backlog").textContent = data.backlog;
+            document.querySelector("#reminders").textContent = data.count.reminders;
+            document.querySelector("#intervals").textContent = data.count.intervals;
 
             new Chart(document.getElementById("schedule"), {
                 type: "bar",