Add navigation to search filed with alt+s

src/components/Autocomplete.vue

 <template>
   <div class="autocomplete-container" :class="$vuetify.breakpoint.name">
-    <v-combobox aria-label="søkefelt"
+    <v-combobox accesskey="s" aria-label="søkefelt"
         v-model="select"
         :loading="loading"
         :items="items"