Replace custom socket implementation with SignalR.

Replace MSAL and custom cookie auth with Microsoft.Identity.EntityFramework
Also some UI redesign to accommodate different login experience.

Shogi.Database/Session/Stored Procedures/CreateSession.sql

@@ -1,12 +1,13 @@
 CREATE PROCEDURE [session].[CreateSession]
-	@Name [session].[SessionName],
-	@Player1Name [user].[UserName]
+	@Id [session].[SessionSurrogateKey],
+	@Player1Id [dbo].[AspNetUsersId]
 AS
 BEGIN
 	SET NOCOUNT ON
 
-	INSERT INTO [session].[Session] ([Name], Player1Id)
-	SELECT @Name, Id
-	FROM [user].[User]
-	WHERE [Name] = @Player1Name
+	INSERT INTO [session].[Session] 
+	([Id], Player1Id)
+	VALUES
+	(@Id, @Player1Id)
+	
 END