完善概览页，实现公告查询展示，引入 recharts 展示取用数据

src/actions/announcement.ts

@@ -0,0 +1,19 @@
+'use server'
+
+import { PageRecord } from "@/lib/api"
+import { Announcement } from "@/lib/models"
+import { callByUser } from "./base"
+
+export async function listAnnouncements(props: {
+  page: number
+  size: number
+  title?: string
+  type?: number
+  status?: number
+  create_after?: Date
+  create_before?: Date
+  update_after?: Date
+  update_before?: Date
+}) {
+  return await callByUser<PageRecord<Announcement>>('/api/announcement/list', props)
+}