Highlight current post in "Read Next" card

src/components/PreviousNext.vue

@@ -25,7 +25,10 @@
             <ul>
               <li v-for="post in posts.slice(0, 3)"
                   :key="post.node.id">
-                <a :href="post.node.path">{{ post.node.title }}</a>
+                <a :href="post.node.path">
+                  <b v-if="post.node.id == currentPostId">{{ post.node.title }}</b>
+                  <template v-else>{{ post.node.title }}</template>
+                </a>
               </li>
             </ul>
           </div>