Apply prettier format

front/src/InstanceBrowser.vue

@@ -40,7 +40,7 @@ function pageChange(newPageNumber) {
 <template>
   <div>
     <div>
-    <div v-if="error"> {{ error }}</div>
+      <div v-if="error">{{ error }}</div>
       <div v-else-if="data && data.books && data.books.length > 0">
         <div class="booksearchlist" v-for="book in data.books" :key="book.id">
           <BookListElement v-bind="book" />