feat: 添加pinia状态管理库和Tabbar组件

- 添加pinia状态管理库和Tabbar组件
- 导入新的组件和模块
- 更新页面布局和样式
- 删除无用的文件和代码

src/stores/useTabbar.ts

@@ -0,0 +1,10 @@
+import { defineStore } from "pinia";
+import { ref } from "vue";
+
+export const useTabbar = defineStore('tabbar', () => {
+  const activeTab = ref('home')
+
+  return {
+    activeTab
+  }
+})

src/stores/useUser.ts

@@ -0,0 +1,11 @@
+import type { User } from "@/types/api/user";
+import { defineStore } from "pinia";
+import { ref } from "vue";
+
+export const useUser = defineStore("user", () => {
+  const userinfo = ref<User | null>(null);
+
+  return {
+    userinfo,
+  };
+});

src/stores/user.ts

@@ -1,10 +0,0 @@
-import { defineStore } from "pinia";
-import { ref } from "vue";
-
-export const useUserStore = defineStore("user", () => {
-  const count = ref(0);
-
-  return {
-    count,
-  };
-});