apply linter recommendations

src/components/FooterMenu.vue

@@ -10,7 +10,11 @@ export default {
 
 <template>
   <ul class="flex flex-row place-content-center">
-    <li class="p-2 place-content-center" v-for="entry of menuEntries">
+    <li
+      v-for="{entry, i} of menuEntries"
+      :key="i"
+      class="p-2 place-content-center"
+    >
       <a :href="entry.uri">{{ entry.name }}</a>
     </li>
   </ul>

src/components/papers/PaperItem.vue

@@ -4,4 +4,5 @@ export default {
 </script>
 
 <template>
+    <div></div>
 </template>

src/components/papers/PaperList.vue

@@ -1,4 +1,5 @@
 <script lang="ts">
+
 export type Papers = {
   body: string
   content: string
@@ -54,7 +55,9 @@ export default {
     async fetchData() {
       this.papers = await (await fetch(this.apiUri)).json()
     }, 
-    openPaper() {}
+    openPaper() {
+
+    },
     date(paperDate: String) {
       const date = new Date(paperDate)
       return new Intl.DateTimeFormat('de-DE', { dateStyle: 'full' }).format(date)