add: og image for robert

OG Image for thumbnail for robert in Blog

app/pages/blog/index.vue

@@ -65,13 +65,13 @@ const externalPosts = computed<BlogCard[]>(() => externalPostsRaw.value?.flatMap
   return externalBlog.posts.map(post => ({
     title: post.title,
     description: post.excerpt,
-    image: 'asdf',
+    image: post['og-image'],
     date: post.date,
     link: post.url,
     category: 'extern',
     author: externalBlog.author,
   }))
-}))
+}) ?? [])
 
 const allPosts = computed<BlogCard[]>(() => [...(firstTen.value ?? []), ...(externalPosts.value ?? [])].sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime()))
 

shared/types/Blog.ts

@@ -3,6 +3,7 @@ export type Post = {
   title: string
   excerpt: string
   date: string
+  'og-image': string
 }
 
 type Author = {