feat(demo): enum 使用范例

src/pages/demo/base/enum.vue

@@ -0,0 +1,21 @@
+<route lang="json5" type="page">
+{
+  style: { navigationBarTitleText: 'enum' },
+}
+</route>
+
+<template>
+  <view class="">enum</view>
+</template>
+
+<script lang="ts" setup>
+import { TestEnum } from '@/typings.d'
+
+type T = TestEnum.A
+const a = 'a' as T
+console.log(a)
+</script>
+
+<style lang="scss" scoped>
+//
+</style>