move wait for service-worker initialization into the notification modal

src/views/HomeView.vue

@@ -15,12 +15,14 @@
         class="bg-amber-200 rounded-md overflow-hidden text-center px-4 py-3 mb-4"
       >
         <p>
-          You should install this as an app.
+          This is not installed as an app.
+          <!-- Note that that exact verbiage shows in the help. -->
+          Look for an "install" prompt or action.
           <router-link
             :to="{ name: 'help-notifications' }"
             class="text-blue-500"
           >
-            Go here for instructions.
+            Go here for more help.
           </router-link>
         </p>
       </div>