tweak some page titles

src/views/ContactQRScanShowView.vue

@@ -16,7 +16,7 @@
 
       <!-- Heading -->
       <h1 id="ViewHeading" class="text-4xl text-center font-light pt-4">
-        Your Contact Info
+        Share Contact Info
       </h1>
       <p
         v-if="!givenName"

src/views/InviteOneView.vue

@@ -14,7 +14,7 @@
     </div>
 
     <!-- Heading -->
-    <h1 class="text-4xl text-center font-light">Invitations</h1>
+    <h1 class="text-4xl text-center font-light">Single Invitations</h1>
 
     <ul class="ml-8 mt-4 list-outside list-disc w-5/6">
       <li>