Update dashboard to show publication history instead of calendar

Replace CalendarView component with RecentPublications, fetching and displaying the last 10 published posts.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ae4037a0-2a6f-4530-9bac-79b543286bda
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/397bca8c-984f-43ff-841a-10897aeb8140/ae4037a0-2a6f-4530-9bac-79b543286bda/G8GuKB7

client/src/pages/dashboard.tsx

@@ -1,7 +1,7 @@
 import Sidebar from "@/components/sidebar";
 import TopBar from "@/components/topbar";
 import StatsCards from "@/components/stats-cards";
-import CalendarView from "@/components/calendar-view";
+import RecentPublications from "@/components/recent-publications";
 import ManagedPages from "@/components/managed-pages";
 import { useState } from "react";
 
@@ -30,7 +30,7 @@ export default function Dashboard() {
         <div className="p-8 space-y-8 max-w-[1600px] mx-auto">
           <StatsCards />
           
-          <CalendarView />
+          <RecentPublications />
           
           <ManagedPages />
         </div>