Optional title abstract

Closes #125 (closed)

components/content/ArticleDoi.vue

@@ -22,7 +22,7 @@ const articleAbstract = computed(() => { return props.abstract ?? article.value?
 
 </script>
 <template>
-    <v-list-item :href="article?.href" :target="article?.target" density="compact" class="px-0">
+    <v-list-item :href="article?.href" :target="article?.target" density="compact" class="px-1">
         <template #prepend v-if="!mobile && enumerate">
             <v-avatar color="primary" size="small" density="compact" variant="tonal">
                 {{ props.index }}