     <q-tabs v-model="tab" active-color="primary" align="justify">
            <q-tab
              name="dashboard"
              :label="$t('dashboard')"
              @update="val => tab = val.name"
            ></q-tab>
            <q-tab
              name="channels"
              :label="$t('channels')"
              @update="val => tab = val.name"
            ></q-tab>
            <q-tab
              name="transactions"
              :label="$t('transactions')"
              @update="val => tab = va