Add new components for login and comment functionality

layout/default.vue

@@ -0,0 +1,26 @@
+<template>
+  <div class="layout-wrap">
+    <div class="flex flex-1 flex-col">
+      <slot></slot>
+      <!-- 右侧固定按钮组 -->
+      <KlQuickMenu></KlQuickMenu>
+    </div>
+    <KlFooter></KlFooter>
+  </div>
+</template>
+
+<script lang="ts" setup>
+  import KlFooter from './kl-footer/index.vue'
+  import KlQuickMenu from '@/components/kl-quick-menu/index.vue'
+</script>
+
+<style lang="scss" scoped>
+  .layout-wrap {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    background-color: #fbfcff;
+    width: 100%;
+    margin: auto;
+  }
+</style>