reintroduce microsoft login. upgrade a bunch of stuff.

Shogi.UI/Pages/Home/Account/AccountState.cs

@@ -2,27 +2,27 @@
 
 public class AccountState
 {
-	public event EventHandler<LoginEventArgs>? LoginChangedEvent;
+    public event EventHandler<LoginEventArgs>? LoginChangedEvent;
 
-	private User? user;
-	public User? User
-	{
-		get => user;
-		set
-		{
-			if (user != value)
-			{
-				user = value;
-				EmitLoginChangedEvent();
-			}
-		}
-	}
+    private User? user;
+    public User? User
+    {
+        get => user;
+        set
+        {
+            if (user != value)
+            {
+                user = value;
+                EmitLoginChangedEvent();
+            }
+        }
+    }
 
-	private void EmitLoginChangedEvent()
-	{
-		LoginChangedEvent?.Invoke(this, new LoginEventArgs
-		{
-			User = User
-		});
-	}
+    private void EmitLoginChangedEvent()
+    {
+        LoginChangedEvent?.Invoke(this, new LoginEventArgs
+        {
+            User = User
+        });
+    }
 }