doc: add to notification-help page & task list

project.task.yaml

@@ -19,6 +19,7 @@ tasks:
   - warn if they're using the web (android only?)
     https://developer.mozilla.org/en-US/docs/Web/API/Navigator/getInstalledRelatedApps
     https://web.dev/articles/get-installed-related-apps
+  - fix maskable icon
 
 - .2 fix the projects on /discover to show the issuer (currently all "Someone Anonymous")
 

src/views/HelpNotificationsView.vue

@@ -73,11 +73,24 @@
         </p>
         <p>
           In Android, hold on to the app icon, then select "App Info", then
-          "Notifications" and make sure they're enabled. If you installed the
-          app with Chrome, go to Chrome "App Info", then "Storage & Cache" and
-          "Clear Storage"; this Chrome reset helps even if the app isn't run
-          inside the Chrome browser.
+          "Notifications" and make sure they're enabled. If it's still a problem
+          then go further:
         </p>
+        <p>
+          If you installed the app with Chrome, make sure there are no other
+          tabs with it open; then here are some ways to clear caches that can
+          mess things up:
+        </p>
+        <ul>
+          <li class="list-disc ml-4">
+            Go to Chrome "App Info", then "Storage & Cache" and "Clear Storage".
+          </li>
+          <li class="list-disc ml-4">
+            Go to Chrome "Settings", then "Privacy and Security" and "Clear
+            "Clear browsing data", then "Cookies and site data". Also make sure
+            the "Time Range" at the top shows "All time".
+          </li>
+        </ul>
         <p>
           On a Mac, go to "Settings" and check "Notifications".
           <img