fix missing lang tag bug

src/components/Article.vue

 <template>
-<div v-if="article" :lang="{nob:'nb', nno: 'nn', eng: 'en'}[dictionary]" class="article-container">
+<div v-if="article" :lang="dictionary" class="article-container">
   <span :lang="lang_tag_locale" v-if="$vuetify.breakpoint.smAndDown || !$route.name || $route.name == 'lookup'" class="dict-label" role="heading" aria-level="2">{{dict_label}}</span>
   <div class="article" v-bind:class="{'expanded': !collapsed && collapsable, 'collapsable': collapsable, 'hide-label': hide_label, 'v-sheet v-card rounded-xl': !$parent.article}" v-if="article">
     <div :class="$vuetify.breakpoint.name" v-if="!invalid">