refactor: add btn save

src/components/03_customer-management/BasicInformation.vue

@@ -438,10 +438,22 @@ onMounted(() => {
       v-model="nrcNo"
     />
   </div>
+  <div class="col-12 row justify-end" style="min-height: 50px">
+    <q-btn
+      v-if="!readonly"
+      dense
+      unelevated
+      id="save-basic-info"
+      color="primary"
+      class="q-px-md"
+      :label="$t('save')"
+      @click="$emit('save')"
+    />
+  </div>
 
   <q-separator
     v-if="separator"
-    class="col-12 q-mt-xl q-mb-md"
+    class="col-12 q-mt-md q-mb-md"
     style="padding-block: 0.5px"
   />
 </template>