Fix link to filters

layouts/default.vue

@@ -40,7 +40,7 @@
             <v-icon>mdi-magnify</v-icon>
           </v-list-tile-action>
           <v-list-tile-content>
-            <nuxt-link to="/filter/"><v-list-tile-title>Hantera filter</v-list-tile-title></nuxt-link>
+            <nuxt-link to="/filters/"><v-list-tile-title>Hantera filter</v-list-tile-title></nuxt-link>
           </v-list-tile-content>
         </v-list-tile>
         <v-list-tile v-if="hasUser">