Fix titles

app/pages/index.vue

@@ -7,7 +7,7 @@
 <script lang="ts" setup>
 const description = 'I\'m Arthur, a Mathematics lover and IA enthusiast. I\'m currently studying at the University of Paris-Saclay. I\'m passionate about Mathematics, Computer Science, and Artificial Intelligence.'
 useSeoMeta({
-  title: 'Arthur Danjou - Mathematics Lover and IA Enthusiast',
+  title: 'Arthur Danjou | Mathematics Lover and IA Enthusiast',
   description
 })
 </script>

app/pages/writings/[slug].vue

@@ -14,6 +14,10 @@ const { copy, copied } = useClipboard({
   source: `https://arthurdanjou.fr/writing/${route.params.slug}`,
   copiedDuring: 4000
 })
+
+useHead({
+  title: `${post.value!.title ?? 'Untitled'} | Arthur Danjou`
+})
 </script>
 
 <template>