add top for announcement

src/oj/announcement/components/TitleWithTag.vue

@@ -0,0 +1,14 @@
+<template>
+  <n-flex align="center">
+    <n-tag type="error" v-if="top">置顶</n-tag>
+    <span>{{ title }}</span>
+  </n-flex>
+</template>
+<script setup lang="ts">
+interface Props {
+  top: boolean
+  title: string
+}
+
+defineProps<Props>()
+</script>