refactor(projects): element-plus国际化

src/App.vue

@@ -1,8 +1,13 @@
 <template>
-  <div>
-    <el-date-picker />
-  </div>
+  <el-config-provider :locale="locale">
+    <div>
+      <el-date-picker />
+    </div>
+  </el-config-provider>
 </template>
 
-<script lang="ts" setup></script>
+<script lang="ts" setup>
+import { ElConfigProvider } from 'element-plus';
+import locale from 'element-plus/lib/locale/lang/zh-cn';
+</script>
 <style></style>