add the hashed-next-key to the contact data, shown & stored

src/views/ContactsView.vue

@@ -109,6 +109,10 @@
           <div class="text-sm truncate" v-if="contact.publicKeyBase64">
             Public Key (base 64): {{ contact.publicKeyBase64 }}
           </div>
+          <div class="text-sm truncate" v-if="contact.nextPublicKeyHashBase64">
+            Next Public Key Hash (base 64):
+            {{ contact.nextPublicKeyHashBase64 }}
+          </div>
 
           <div id="ContactActions" class="flex gap-1.5 mt-2">
             <div v-if="activeDid">
@@ -530,6 +534,7 @@ export default class ContactsView extends Vue {
       return this.addContact({
         did: payload.iss,
         name: payload.own.name,
+        nextPublicKeyHashBase64: payload.own.nextPublicEncKeyHash,
         publicKeyBase64: payload.own.publicEncKey,
       } as Contact);
     }