fix: admin login overlay and version footer

TaxBaik.Web/Components/Admin/Layout/MainLayout.razor

@@ -1,6 +1,7 @@
 @inherits LayoutComponentBase
 @inject NavigationManager Navigation
 @inject IJSRuntime JS
+@inject VersionInfo VersionInfo
 @implements IDisposable
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
 
@@ -88,6 +89,12 @@
             <MudNavLink Href="/taxbaik/admin/inquiries" Icon="@Icons.Material.Filled.Forum">문의 관리</MudNavLink>
             <MudNavLink Href="/taxbaik/admin/settings" Icon="@Icons.Material.Filled.Tune">설정</MudNavLink>
         </MudNavMenu>
+
+        <div class="admin-drawer-version">
+            <div class="admin-drawer-version-label">Version</div>
+            <div class="admin-drawer-version-value">v@(VersionInfo.Version)</div>
+            <div class="admin-drawer-version-built">@VersionInfo.Built</div>
+        </div>
     </MudDrawer>
 
     <MudMainContent Class="admin-main">