refactor code to nuxt and add ssr and edit some text in landing

src/pages/login.vue

@@ -0,0 +1,18 @@
+<script lang="ts" setup>
+import { getLoginAppUrl, getLoginInstallPwaUrl } from '@/utils/config'
+
+definePageMeta({
+  layout: false,
+  ssr: false,
+})
+
+const route = useRoute()
+const target =
+  route.query.installPwa === 'true' ? getLoginInstallPwaUrl() : getLoginAppUrl()
+
+await navigateTo(target, { external: true })
+</script>
+
+<template>
+  <div />
+</template>