feat: add markdown update history

offline/OfflineApp.svelte

@@ -8,6 +8,7 @@
   import DataPage from '../src/routes/data/+page.svelte';
   import DataCardsPage from '../src/routes/data/cards/+page.svelte';
   import DataBoardsPage from '../src/routes/data/boards/+page.svelte';
+  import UpdatesPage from '../src/routes/updates/+page.svelte';
   import { setOfflinePage } from './page-store';
   import { events } from '../src/lib/data/events';
   import { activeEventAt } from '../src/lib/engine/event-optimization';
@@ -20,7 +21,8 @@
     ['/event', EventPage],
     ['/data', DataPage],
     ['/data/cards', DataCardsPage],
-    ['/data/boards', DataBoardsPage]
+    ['/data/boards', DataBoardsPage],
+    ['/updates', UpdatesPage]
   ]);
 
   function pathFromHash() {
@@ -78,6 +80,7 @@
       <a href="#/combination" aria-current={currentPath.startsWith('/combination') ? 'page' : undefined}>조합 탐색</a>
       {#if showEventTab}<a href="#/event" aria-current={currentPath.startsWith('/event') ? 'page' : undefined}>이벤트 Pt</a>{/if}
       <a href="#/data" aria-current={currentPath.startsWith('/data') ? 'page' : undefined}>사용자 데이터</a>
+      <a href="#/updates" aria-current={currentPath.startsWith('/updates') ? 'page' : undefined}>업데이트 내역</a>
       <a
         class="feedback-link"
         href="https://docs.google.com/forms/d/1z9c0c1crbCO6avXaYwrHZjhw2ib3zgAmW4ijJDTo4DM"