feat: 添加全局alert，并替换原先是toast

src/App.vue

@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import Navbar from "./components/Navbar.vue";
 import Dialog from "./components/Dialog.vue";
+import { Alert, useAlertProvider } from "./components/Alert";
 import { ref, provide, computed, onMounted } from "vue";
 import { useRouter } from "vue-router";
 
@@ -49,19 +50,26 @@ provide("theme", {
 const currentRoutePath = computed(() => {
   return router.currentRoute.value.path;
 });
+
+useAlertProvider();
 </script>
 
 <template>
   <div>
     <header class="relative">
-      <Navbar></Navbar>
-      <Dialog></Dialog>
+      <Navbar />
+      <Dialog />
+      <Alert />
     </header>
 
     <main>
       <RouterView />
     </main>
-    <footer v-if="currentRoutePath != '/project'" class="footer footer-center p-4 bg-base-300 text-base-content">
+
+    <footer
+      v-if="currentRoutePath != '/project'"
+      class="footer footer-center p-4 bg-base-300 text-base-content"
+    >
       <div>
         <p>Copyright © 2023 - All right reserved by OurEDA</p>
       </div>