Send notification on appointment update

scripts/content.js

@@ -501,8 +501,12 @@ async function runner() {
         }
 
         if (apptDate != ctx.currentAppt.date || apptConsulate != ctx.currentAppt.consulate) {
-            console.log(`New appointment date: ${apptDate} at ${apptConsulate},
-                            old: ${ctx.currentAppt.consulate} at ${ctx.currentAppt.date}`);
+            msg = `New appointment date: ${apptDate} at ${apptConsulate}`
+            if (ctx.currentAppt.date != null) {
+                sendNotification(msg);
+            }
+            msg += `, was: ${ctx.currentAppt.consulate} at ${ctx.currentAppt.date}`
+            console.log(msg);
             ctx.currentAppt = { consulate: apptConsulate, date: apptDate };
             await chrome.storage.local.set({ "ctx_currentAppt": ctx.currentAppt });
         }