make webhook buttons have selected class only when the webhook is selected

discordwebhookmanager/index.html

@@ -14,7 +14,7 @@
     <div id="app">
         <div class="card navigation-card">
             <div class="navigation-buttons">
-                <a v-for="(webhook, webhookIndex) in webhooks" @click="selectedWebhook = webhookIndex" class="button-default button-selected">{{ webhook.name }}</a>
+                <a v-for="(webhook, webhookIndex) in webhooks" @click="selectedWebhook = webhookIndex" :class="getWebhookButtonClass(webhookIndex)">{{ webhook.name }}</a>
             </div>
         </div>
     
@@ -111,6 +111,12 @@
                         localStorage.clear();
                         return;
                     }
+                },
+                getWebhookButtonClass: function(webhookIndex) {
+                    if (this.selectedWebhook === webhookIndex) {
+                        return 'button-default button-selected';
+                    }
+                    return 'button-default';
                 }
             },
             computed: {