add hints for registration on the contact page

src/views/HelpView.vue

@@ -301,9 +301,11 @@
 </template>
 
 <script lang="ts">
-import * as Package from "../../package.json";
 import { Component, Vue } from "vue-facing-decorator";
+
+import * as Package from "../../package.json";
 import QuickNav from "@/components/QuickNav.vue";
+import { ONBOARD_MESSAGE } from "@/libs/util";
 
 interface Notification {
   group: string;
@@ -325,8 +327,7 @@ export default class Help extends Vue {
         group: "alert",
         type: "info",
         title: "Onboard Someone",
-        // If you edit this, check that the numbers still line up on the side in the alert (on mobile, preferably).
-        text: "1) Check that they've entered their name. 2) Go to the scanning page via the Identity page and then the through the QR icon at the top, and then scan and register them. 3) Have them go to that page and scan you.",
+        text: ONBOARD_MESSAGE,
       },
       -1,
     );