add: first post, external posts, new comps

Add first post for monday, add external posts from other authors, add components for internal and external links

app/pages/blog/[slug].vue

@@ -15,10 +15,12 @@
             <span class="chip interactive"><BlogCategory :name="article.category as Category"/></span>
           </NuxtLink>
         </div>
-        <h1 class="margin-top">{{ article.title }}</h1>
-        <h2>{{ article.description }}</h2>
+        <h1 class="margin-top">
+          <span>{{ article.title }}</span>
+          <small>{{ article.description }}</small>
+        </h1>
       </header>
-      <div class="flex-col gap-default article-text">
+      <div class="flex-col article-text">
         <ContentRenderer v-if="article" :value="article" :style="{ display: 'contents' }"/>
       </div>
     </main>