new package dbHandler accesscontrol memeberdb and login with rights

src/vueLib/login/LoginMenu.vue

@@ -9,6 +9,9 @@
           <q-item v-if="showLogin" clickable v-close-popup @click="openLogin">
             <q-item-section class="text-primary">{{ loginText }}</q-item-section>
           </q-item>
+          <q-item>
+            <q-btn flat :icon="Dark.mode ? 'light_mode' : 'dark_mode'" @click="Dark.toggle"></q-btn>
+          </q-item>
           <q-item>
             <q-select
               :label="$t('language')"
@@ -19,11 +22,20 @@
               :options="langSelection"
             ></q-select>
           </q-item>
-          <q-item v-if="autorized">
+          <q-item
+            v-if="
+              (autorized || user.isPermittedTo('settings', 'read')) && route.path !== '/settings'
+            "
+          >
             <q-btn flat color="secondary" icon="settings" to="/settings"></q-btn>
           </q-item>
-          <q-item v-if="autorized">
-            <q-btn flat color="secondary" icon="group" to="/usersSettings"></q-btn>
+          <q-item
+            v-if="
+              (autorized || user.isPermittedTo('userSettings', 'read')) &&
+              route.path !== '/userSettings'
+            "
+          >
+            <q-btn flat color="secondary" icon="group" to="/userSettings"></q-btn>
           </q-item>
         </q-list>
       </q-menu>
@@ -40,6 +52,7 @@ import { useNotify } from '../general/useNotify';
 import { lang, i18n } from 'src/boot/lang';
 import { useUserStore } from './userStore';
 import { useRoute } from 'vue-router';
+import { Dark } from 'quasar';
 
 const route = useRoute();
 const showLogin = computed(