feat: pinia结合mock实现按分类和标题搜索工具，布局和样式调整

src/components/Layout/Floor/Floor.vue

@@ -0,0 +1,15 @@
+<script setup lang="ts">
+import { ref } from 'vue'
+const beianNo = ref('粤ICP备19038804号-1')
+const copyright = ref('ranblogs.com')
+</script>
+
+<template>
+  <div class="bg-black w-full fixed left-0 bottom-0 text-white text-center h-8 leading-8 z-10">
+    Copyright © 2023  · {{ copyright }} &nbsp;&nbsp; <a href="https://beian.miit.gov.cn/" target="_blank">{{ beianNo }}</a> 
+  </div>
+</template>
+
+<style scoped>
+
+</style>