add new page header and decrease marging

src/pages/GroupTable.vue

@@ -1,10 +1,11 @@
 <template>
   <q-page>
-    <h4 class="text-primary text-bold text-center">{{ $t('groups') }}</h4>
+    <SiteTitle :title="$t('groups')" />
     <GroupTable />
   </q-page>
 </template>
 
 <script setup lang="ts">
+import SiteTitle from 'src/vueLib/general/SiteTitle.vue';
 import GroupTable from 'src/vueLib/tables/group/GroupTable.vue';
 </script>