Add initial placeholder page for email domains list

dashboard/src/views/EmailDomainsView.vue

@@ -0,0 +1,30 @@
+<script setup>
+
+import { ref, onMounted } from 'vue';
+import Section from '../components/Section.vue';
+import DomainsModel from '../models/DomainsModel.js';
+
+const domainsModel = DomainsModel.create();
+
+const domains = ref([]);
+
+onMounted(async () => {
+  const [error, result] = await domainsModel.list();
+  if (error) return console.error(error);
+
+  domains.value = result;
+});
+
+</script>
+
+<template>
+  <div class="content">
+    <Section :title="$t('email.config.title')">
+      <div>
+        <div v-for="domain in domains" :key="domain.domain">
+          <a :href="`#/email-domain/${domain.domain}`">{{ domain.domain }}</a>
+        </div>
+      </div>
+    </Section>
+  </div>
+</template>