init project and finish login page

src/App.vue

@@ -0,0 +1,19 @@
+<script setup lang="ts">
+import LoginCard from './components/LoginCard.vue';
+
+</script>
+
+<template>
+  <header>
+    <RouterLink to="/user"> Go to User</RouterLink>
+    <RouterLink to="/login"> Go to Login</RouterLink>
+  </header>
+
+  <main>
+    <RouterView />
+  </main>
+</template>
+
+<style scoped>
+@import "./assets/main.css";
+</style>