feat: 初始化假期管理页面

src/views/holidays/HolidaysList.vue

+<template>
+  <div>
+    测试
+  </div>
+</template>
+<script>
+
+export default {
+  name: 'HolidaysList',
+  data() {
+    return {
+    }
+  },
+  methods: {
+
+  },
+
+}
+</script>

src/views/holidays/HolidaysRouteView.vue

+<template>
+  <keep-alive v-if="keepAlive">
+    <router-view />
+  </keep-alive>
+  <router-view v-else />
+</template>
+
+<script>
+export default {
+  name: "HolidayRouteView",
+  computed: {
+    keepAlive () {
+      return this.$route.meta.keepAlive
+    }
+  },
+}
+</script>
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