添加的登录界面，使用固定账号和密码测试登录逻辑成功

WorkStation.Client/Views/MainWindow.xaml

@@ -0,0 +1,13 @@
+<Window
+    x:Class="WorkStation.Client.Views.MainWindow"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:prism="http://prismlibrary.com/"
+    Title="{Binding Title}"
+    Width="525"
+    Height="350"
+    prism:ViewModelLocator.AutoWireViewModel="True">
+    <Grid>
+        <Button />
+    </Grid>
+</Window>